Product Search

    SEARCH NOW FOR ALL YOUR B&K PRECISION SOLUTIONS

    Radwell is here to supply you with all your plant floor needs.

    Radwell is not an authorized distributor, reseller or representative of the products featured on this website. All product names, trademarks, brands and logos used on this site are the property of their respective owners. The depiction, description or sale of products featuring these names, trademarks, brands and logos is for identification purposes only and is not intended to indicate any affiliation with or authorization by any rights holder.

    Filter Results
    Results 451-500 of 817.
    B&K PRECISION 4011A CAL DU

    B&K PRECISION

    4011A CAL DU

    CAL FUNCTION GENERATOR, 0.5HZ TO 5MHZ; SIGNAL GENERATOR TYPE:FUNCTION; NO. OF CHANNELS:1 CHANNEL; PRODUCT RANGE:-; BANDWIDTH:5MHZ; SIGNAL GENERATOR MODULATION:-; MANUFACTURER WARRANTY:2 YEAR ...
    $1,350.00 Buy Surplus As Low As $810.00
    $810.00
    B&K PRECISION 4011A CAL D

    B&K PRECISION

    4011A CAL D

    CAL FUNCTION GENERATOR, 0.5HZ TO 5MHZ; SIGNAL GENERATOR TYPE:FUNCTION; NO. OF CHANNELS:1 CHANNEL; PRODUCT RANGE:-; BANDWIDTH:5MHZ; SIGNAL GENERATOR MODULATION:-; MANUFACTURER WARRANTY:2 YEAR ...
    $1,255.00 Buy Surplus As Low As $753.00
    $753.00
    B&K PRECISION 1550 CAL D

    B&K PRECISION

    1550 CAL D

    POWER SUPPLY W/D, ADJ, 108W, 3A, 36V; POWER SUPPLY OUTPUT TYPE:ADJUSTABLE; NO. OF OUTPUTS:1 OUTPUT; OUTPUT VOLTAGE MIN:1V; OUTPUT VOLTAGE MAX:36V; OUTPUT CURRENT MIN:0A; OUTPUT CURRENT MAX:3 ...
    $554.00 Buy Surplus As Low As $333.00
    $333.00
    Repair Yours $300.00
    B&K PRECISION 1550 CAL

    B&K PRECISION

    1550 CAL

    CAL POWER SUPPLY, ADJ, 108W, 3A, 36V; POWER SUPPLY OUTPUT TYPE:ADJUSTABLE; NO. OF OUTPUTS:1 OUTPUT; OUTPUT VOLTAGE MIN:1V; OUTPUT VOLTAGE MAX:36V; OUTPUT CURRENT MIN:0A; OUTPUT CURRENT MAX:3 ...
    $525.00 Buy Surplus As Low As $315.00
    $315.00
    Repair Yours $300.00
    B&K PRECISION 1514

    B&K PRECISION

    1514

    POWER SUPPLY/BATTERY ELIMINATOR 3.3/4.5/6/7.5/9/12V, 3A ROHS COMPLIANT: YES
    $133.00 Buy Surplus As Low As $80.00
    $80.00
    Repair Yours $300.00
    B&K PRECISION 1611

    B&K PRECISION

    1611

    POWER SUPPLY 2AMP 50VDC
    $597.00 Buy Surplus As Low As $299.00
    $299.00
    Repair Yours $300.00
    B&K PRECISION 1550CALDU

    B&K PRECISION

    1550CALDU

    CALIBRATED W/ DATA & UNCERTAINTIES - POWER SUPPLY, DC, 36V, 108W; POWER SUPPLY OUTPUT TYPE:ADJUSTABLE; NO. OF OUTPUTS
    $577.00 Buy Surplus As Low As $289.00
    $289.00
    Repair Yours $300.00
    B&K PRECISION A1287

    B&K PRECISION

    A1287

    AC FLEXIBLE CURRENT CLAMP, 3KA, DAS, METER SIDE CONNECTOR:-, PROBE SIDE CONNECTOR:CURRENT CLAMP, CURRENT RANGE MAX:3KA, CURRENT RANGE MIN:30A, FOR USE WITH:B&K PRECISION DATA ACQUISITION SOL ...
    $703.00 Buy Surplus As Low As $422.00
    $422.00
    B&K PRECISION SP201

    B&K PRECISION

    SP201

    CLAMP-ON CURRENT PROBE, 400A, DAS; METER SIDE CONNECTOR:-; PROBE SIDE CONNECTOR:CURRENT CLAMP; CURRENT RANGE MAX:400A; CURRENT RANGE MIN:-; FOR USE WITH:B&K PRECISION DATA ACQUISITION SOLUTI ...
    $231.00 Buy Surplus As Low As $120.00
    $120.00
    B&K PRECISION 2683

    B&K PRECISION

    2683

    SPECTRUM ANALYZER, 9KHZ TO 3.2GHZ; SPECTRUM ANALYZER TYPE:BENCH; PRODUCT RANGE:2680 SERIES; TEST FREQUENCY RANGE:9KHZ TO 3.2GHZ; EXTERNAL HEIGHT:207MM; EXTERNAL WIDTH:393MM; EXTERNAL DEPTH:1 ...
    $7,354.00 Buy Surplus As Low As $4,413.00
    $4,413.00
    Repair Yours $3,663.00
    B&K PRECISION BK391A

    B&K PRECISION

    BK391A

    MULTIMETER, DIGITAL, HANDHELD, 4-1/2 DIG, DMM FUNCTIONS:CURRENT, VOLTAGE, CAPACITANCE, FREQUENCY, RESISTANCE, NO. OF DIGITS:4.5, DMM RESPONSE TYPE:TRUE RMS, DISPLAY COUNT:20000, RANGE SELECT ...
    $616.00 Buy Surplus As Low As $370.00
    $370.00
    Repair Yours $308.00
    B&K PRECISION 9832B

    B&K PRECISION

    9832B

    PROGRAMMABLE AC POWER SOURCE, 2KVA; PRODUCT RANGE:9830B SERIES; OUTPUT POWER MAX:2KVA; OUTPUT VOLTAGE MAX:150V; OUTPUT CURRENT MAX:20A; NO. OF PHASES:SINGLE PHASE; INTERFACE TYPE:LAN, USB, R ...
    $10,739.00 Buy Surplus As Low As $6,444.00
    $6,444.00
    Repair Yours $5,349.00
    B&K PRECISION 910007200

    B&K PRECISION

    910007200

    SHUNT-0.1 OHM, DATA ACQUISITION SOLUTION; ACCESSORY TYPE:SHUNT - 0.1 OHM; FOR USE WITH:B&K PRECISION DATA ACQUISITION SOLUTIONS; PRODUCT RANGE:- ROHS COMPLIANT: YES
    $340.00 Buy Surplus As Low As $204.00
    $204.00
    B&K PRECISION XLN15010

    B&K PRECISION

    XLN15010

    POWER SUPPLY, BENCH, ADJ, 1O/P, 150V; POWER SUPPLY OUTPUT TYPE:ADJUSTABLE; NO. OF OUTPUTS:1 OUTPUT; OUTPUT VOLTAGE MIN:5V; OUTPUT VOLTAGE MAX:150V; OUTPUT CURRENT MIN:40MA; OUTPUT CURRENT MA ...
    $4,374.00 Buy Surplus As Low As $2,625.00
    $2,625.00
    Repair Yours $2,179.00
    B&K PRECISION TL8KC1

    B&K PRECISION

    TL8KC1

    KELVIN CLIP TEST LEAD, 4 TERMINAL; TEST CONNECTOR TYPE A:KELVIN CLIP; TEST CONNECTOR TYPE B:ALLIGATOR CLIPS X 2; LEAD LENGTH - IMPERIAL:-; LEAD LENGTH - METRIC:-; INSULATOR COLOUR:-; CURRENT ...
    $94.00 Buy Surplus As Low As $57.00
    $57.00
    B&K PRECISION MDL200

    B&K PRECISION

    MDL200

    DC ELECTRONIC LOAD, PROGRAMMABLE, 40A, 80V; PRODUCT RANGE:MDL SERIES; POWER RATING:200W; DC LOAD TYPE:PROGRAMMABLE; OPERATING VOLTAGE MIN:0V; OPERATING VOLTAGE MAX:80V; OPERATING CURRENT MAX ...
    $1,961.00 Buy Surplus As Low As $1,177.00
    $1,177.00
    B&K PRECISION BP2510

    B&K PRECISION

    BP2510

    REPLACEMENT BATTERY FOR 2510 SERIES ROHS COMPLIANT: YES
    $130.00 Buy Surplus As Low As $78.00
    $78.00
    B&K PRECISION AK40G

    B&K PRECISION

    AK40G

    USB-TO-GPIB ADAPTER, SIGNAL GENERATOR; ACCESSORY TYPE:USB-GPIB ADAPTER; FOR USE WITH:B&K PRECISION 4050 SERIES FUNCTION/ARBITRARY WAVEFORM GENERATORS; PRODUCT RANGE:4050 SERIES ROHS COMPLIAN ...
    $379.00 Buy Surplus As Low As $228.00
    $228.00
    B&K PRECISION 9801

    B&K PRECISION

    9801

    POWER SUPPLY, 1-CH, 300V, 3A
    $4,030.00 Buy Surplus As Low As $2,418.00
    $2,418.00
    Repair Yours $2,007.00
    B&K PRECISION 9206

    B&K PRECISION

    9206

    POWER SUPPLY, 150V, 10A, PROGRAMMABLE, POWER SUPPLY OUTPUT TYPE:PROGRAMMABLE, NO. OF OUTPUTS:1 OUTPUT, OUTPUT VOLTAGE MIN:0V, OUTPUT VOLTAGE MAX:150V, OUTPUT CURRENT MIN:0A, OUTPUT CURRENT M ...
    $2,869.00 Buy Surplus As Low As $1,722.00
    $1,722.00
    Repair Yours $1,430.00
    B&K PRECISION 9181B

    B&K PRECISION

    9181B

    DC POWER SUPPLY, 1CH, 36V, 4A, PROG; POWER SUPPLY OUTPUT TYPE:PROGRAMMABLE; NO. OF OUTPUTS:1 OUTPUT; OUTPUT VOLTAGE MIN:0V; OUTPUT VOLTAGE MAX:36V; OUTPUT CURRENT MIN:0A; OUTPUT CURRENT MAX: ...
    $1,914.00 Buy Surplus As Low As $1,149.00
    $1,149.00
    Repair Yours $954.00
    B&K PRECISION 4064B

    B&K PRECISION

    4064B

    FUNCTION/ARBITRARY GENERATOR, 2CH/120MHZ; SIGNAL GENERATOR TYPE:ARBITRARY, FUNCTION; NO. OF CHANNELS:2 CHANNEL; PRODUCT RANGE:4060B SERIES; BANDWIDTH:120MHZ; SIGNAL GENERATOR MODULATION:AM, ...
    $3,058.00 Buy Surplus As Low As $1,835.00
    $1,835.00
    Repair Yours $1,524.00
    B&K PRECISION SP230

    B&K PRECISION

    SP230

    CLAMP-ON CURRENT PROBE, 1.5KA,DAS; METER SIDE CONNECTOR:-; PROBE SIDE CONNECTOR:CURRENT CLAMP; CURRENT RANGE MAX:1.5KA; CURRENT RANGE MIN:-; FOR USE WITH:B&K PRECISION DATA ACQUISITION SOLUT ...
    $494.00 Buy Surplus As Low As $257.00
    $257.00
    B&K PRECISION 4063B

    B&K PRECISION

    4063B

    FUNCTION/ARBITRARY GENERATOR, 2CH, 80MHZ; SIGNAL GENERATOR TYPE:ARBITRARY, FUNCTION; NO. OF CHANNELS:2 CHANNEL; PRODUCT RANGE:4060B SERIES; BANDWIDTH:80MHZ; SIGNAL GENERATOR MODULATION:AM, A ...
    $2,220.00 Buy Surplus As Low As $1,332.00
    $1,332.00
    Repair Yours $1,106.00
    B&K PRECISION 8600 CAL D

    B&K PRECISION

    8600 CAL D

    B&K PRECISION 8600 WITH CALIBRATION AND DATA
    $2,552.00 Buy Surplus As Low As $1,532.00
    $1,532.00
    B&K PRECISION 906001000

    B&K PRECISION

    906001000

    RACKMOUNT KIT, DATA ACQUISITION SOLUTION; ACCESSORY TYPE:RACKMOUNT KIT; FOR USE WITH:B&K PRECISION DAS60 DATA ACQUISITION SOLUTION; PRODUCT RANGE:-
    $810.00 Buy Surplus As Low As $486.00
    $486.00
    B&K PRECISION 207030500

    B&K PRECISION

    207030500

    SHUNT-0.001 OHM, DAS, ACCESSORY TYPE:SHUNT - 0.001 OHM, FOR USE WITH:B&K PRECISION DATA ACQUISITION SOLUTIONS, PRODUCT RANGE:-
    $538.00 Buy Surplus As Low As $323.00
    $323.00
    B&K PRECISION 9201 CAL D

    B&K PRECISION

    9201 CAL D

    POWER SUPPLY W/D, PROG, 200W, 10A, 60V; POWER SUPPLY OUTPUT TYPE:PROGRAMMABLE; NO. OF OUTPUTS:1 OUTPUT; OUTPUT VOLTAGE MIN:0V; OUTPUT VOLTAGE MAX:60V; OUTPUT CURRENT MIN:0A; OUTPUT CURRENT M ...
    $1,572.00 Buy Surplus As Low As $944.00
    $944.00
    Repair Yours $784.00
    B&K PRECISION 8514B

    B&K PRECISION

    8514B

    PROG DC ELECTRONIC LOAD, 1.5KW/120V/240A; PRODUCT RANGE:8500B SERIES; POWER RATING:1.5KW; DC LOAD TYPE:PROGRAMMABLE; OPERATING VOLTAGE MIN:0V; OPERATING VOLTAGE MAX:120V; OPERATING CURRENT M ...
    $5,856.00 Buy Surplus As Low As $3,514.00
    $3,514.00
    Repair Yours $2,917.00
    B&K PRECISION BK4034

    B&K PRECISION

    BK4034

    GENERATOR, PULSE, 50MHZ, 2 CHANNELS, SIGNAL GENERATOR TYPE:PULSE, NO. OF CHANNELS:1 CHANNEL, PRODUCT RANGE:-, BANDWIDTH:50MHZ, SIGNAL GENERATOR MODULATION:-, MANUFACTURER WARRANTY:3 YEARS, P ...
    $20,495.00 Buy Surplus As Low As $12,297.00
    $12,297.00
    Repair Yours $10,207.00
    B&K PRECISION 4005DDS CAL

    B&K PRECISION

    4005DDS CAL

    CAL DDS FUNCTION GENERATOR, 1HZ TO 5MHZ; SIGNAL GENERATOR TYPE:DIRECT DIGITAL SYNTHESIS (DDS); NO. OF CHANNELS:1 CHANNEL; PRODUCT RANGE:-; BANDWIDTH:5MHZ; SIGNAL GENERATOR MODULATION:-; MANU ...
    $1,058.00 Buy Surplus As Low As $635.00
    $635.00
    Repair Yours $528.00
    B&K PRECISION 2831E CAL D

    B&K PRECISION

    2831E CAL D

    DMM CAL W/D, USB/RS232, 1KV/20A, 4.5DIG; NO. OF DIGITS:4.5; DMM CONNECTIVITY:RS232, USB; CURRENT MEASURE AC MAX:20A; VOLTAGE MEASURE AC MAX:750V; RESISTANCE MEASURE MAX:20MOHM; PRODUCT RANGE ...
    $1,202.00 Buy Surplus As Low As $722.00
    $722.00
    Repair Yours $600.00
    B&K PRECISION 1687B CAL

    B&K PRECISION

    1687B CAL

    CAL POWER SUPPLY, ADJ, 10A, 36V, 360W; POWER SUPPLY OUTPUT TYPE:ADJUSTABLE; NO. OF OUTPUTS:1 OUTPUT; OUTPUT VOLTAGE MIN:0V; OUTPUT VOLTAGE MAX:36V; OUTPUT CURRENT MIN:0A; OUTPUT CURRENT MAX: ...
    $948.00 Buy Surplus As Low As $569.00
    $569.00
    Repair Yours $473.00
    B&K PRECISION RK3U

    B&K PRECISION

    RK3U

    RACK MOUNT FLANGE KIT, 3U; ACCESSORY TYPE:RACK MOUNT KIT; FOR USE WITH:B&K PRECISION 9830 SERIES HANDLES; PRODUCT RANGE:9830 SERIES
    $139.00 Buy Surplus As Low As $84.00
    $84.00
    B&K PRECISION 9120A CAL D

    B&K PRECISION

    9120A CAL D

    POWER SUPPLY CAL W/D, ADJ, 3A, 32V, 96W; POWER SUPPLY OUTPUT TYPE:ADJUSTABLE; NO. OF OUTPUTS:1 OUTPUT; OUTPUT VOLTAGE MIN:0V; OUTPUT VOLTAGE MAX:32V; OUTPUT CURRENT MIN:0A; OUTPUT CURRENT MA ...
    $1,644.00 Buy Surplus As Low As $987.00
    $987.00
    Repair Yours $820.00
    B&K PRECISION 5491B CAL D

    B&K PRECISION

    5491B CAL D

    DMM CAL W/D, USB/RS232, 1KV/20A, 4.75DIG; NO. OF DIGITS:4.75; DMM CONNECTIVITY:RS232, USB; CURRENT MEASURE AC MAX:20A; VOLTAGE MEASURE AC MAX:750V; RESISTANCE MEASURE MAX:50MOHM; PRODUCT RAN ...
    $1,205.00 Buy Surplus As Low As $723.00
    $723.00
    Repair Yours $601.00
    B&K PRECISION 4005DDS CAL D

    B&K PRECISION

    4005DDS CAL D

    DDS FUNC GENERATOR CAL W/D, 1HZ TO 5MHZ; SIGNAL GENERATOR TYPE:DIRECT DIGITAL SYNTHESIS (DDS); NO. OF CHANNELS:1 CHANNEL; PRODUCT RANGE:-; BANDWIDTH:5MHZ; SIGNAL GENERATOR MODULATION:-; MANU ...
    $1,122.00 Buy Surplus As Low As $674.00
    $674.00
    B&K PRECISION TLPWR31

    B&K PRECISION

    TLPWR31

    100 CM PREMIUM SPADE CONNECTOR TEST LEAD SET ROHS COMPLIANT: YES
    $86.00 Buy Surplus As Low As $52.00
    $52.00
    B&K PRECISION 1696 CAL DU

    B&K PRECISION

    1696 CAL DU

    POWER SUPPLY CAL W/DU, PROG, 200W, 20V, POWER SUPPLY OUTPUT TYPE:PROGRAMMABLE, NO. OF OUTPUTS:1 OUTPUT, OUTPUT VOLTAGE MIN:1V, OUTPUT VOLTAGE MAX:20V, OUTPUT CURRENT MIN:0A, OUTPUT CURRENT M ...
    $940.00 Buy Surplus As Low As $564.00
    $564.00
    Repair Yours $469.00
    B&K PRECISION 1696 CAL

    B&K PRECISION

    1696 CAL

    CAL POWER SUPPLY, PROG, 200W, 10A, 20V, POWER SUPPLY OUTPUT TYPE:PROGRAMMABLE, NO. OF OUTPUTS:1 OUTPUT, OUTPUT VOLTAGE MIN:1V, OUTPUT VOLTAGE MAX:20V, OUTPUT CURRENT MIN:0A, OUTPUT CURRENT M ...
    $870.00 Buy Surplus As Low As $522.00
    $522.00
    Repair Yours $434.00
    B&K PRECISION 9201 CAL

    B&K PRECISION

    9201 CAL

    CAL POWER SUPPLY, PROG, 200W, 10A, 60V; POWER SUPPLY OUTPUT TYPE:PROGRAMMABLE; NO. OF OUTPUTS:1 OUTPUT; OUTPUT VOLTAGE MIN:0V; OUTPUT VOLTAGE MAX:60V; OUTPUT CURRENT MIN:0A; OUTPUT CURRENT M ...
    $1,531.00 Buy Surplus As Low As $919.00
    $919.00
    Repair Yours $763.00
    B&K PRECISION 5491B CAL DU

    B&K PRECISION

    5491B CAL DU

    DMM CAL W/DU, USB/RS232, 1KV/20A/4.75DIG; NO. OF DIGITS:4.75; DMM CONNECTIVITY:RS232, USB; CURRENT MEASURE AC MAX:20A; VOLTAGE MEASURE AC MAX:750V; RESISTANCE MEASURE MAX:50MOHM; PRODUCT RAN ...
    $1,245.00 Buy Surplus As Low As $747.00
    $747.00
    Repair Yours $621.00
    B&K PRECISION 5491B CAL

    B&K PRECISION

    5491B CAL

    CAL DMM, USB/RS232, 1KV/20A, 4.75DIGIT; NO. OF DIGITS:4.75; DMM CONNECTIVITY:RS232, USB; CURRENT MEASURE AC MAX:20A; VOLTAGE MEASURE AC MAX:750V; RESISTANCE MEASURE MAX:50MOHM; PRODUCT RANGE ...
    $1,166.00 Buy Surplus As Low As $700.00
    $700.00
    Repair Yours $581.00
    B&K PRECISION 2566-MSO

    B&K PRECISION

    2566-MSO

    MSO, 200MHZ, 2GSPS, 1.8NS, TFT LCD, PRODUCT RANGE:2560 SERIES, SCOPE CHANNELS:2 ANALOGUE, 16 DIGITAL, BANDWIDTH:200MHZ, SAMPLING RATE:2GSPS, DISPLAY MEMORY DEPTH:140 MPTS, CALCULATED RISE TI ...
    $4,061.00 Buy Surplus As Low As $2,437.00
    $2,437.00
    Repair Yours $2,023.00
    B&K PRECISION 2563-MSO

    B&K PRECISION

    2563-MSO

    MSO, 70MHZ, 2GSPS, 5NS, TFT LCD, PRODUCT RANGE:2560 SERIES, SCOPE CHANNELS:4 ANALOGUE, 16 DIGITAL, BANDWIDTH:70MHZ, SAMPLING RATE:2GSPS, DISPLAY MEMORY DEPTH:140 MPTS, CALCULATED RISE TIME:5 ...
    $3,560.00 Buy Surplus As Low As $2,136.00
    $2,136.00
    Repair Yours $1,773.00
    B&K PRECISION 1761 CAL DU

    B&K PRECISION

    1761 CAL DU

    POWER SUPPLY CAL W/DU, ADJ, 350W, 3A/35V; POWER SUPPLY OUTPUT TYPE:ADJUSTABLE; NO. OF OUTPUTS:3 OUTPUT; OUTPUT VOLTAGE MIN:0V; OUTPUT VOLTAGE MAX:35V; OUTPUT CURRENT MIN:0A; OUTPUT CURRENT M ...
    $1,832.00 Buy Surplus As Low As $1,100.00
    $1,100.00
    Repair Yours $913.00
    B&K PRECISION 1761 CAL

    B&K PRECISION

    1761 CAL

    CAL POWER SUPPLY, ADJ, 350W, 3A, 35V; POWER SUPPLY OUTPUT TYPE:ADJUSTABLE; NO. OF OUTPUTS:3 OUTPUT; OUTPUT VOLTAGE MIN:0V; OUTPUT VOLTAGE MAX:35V; OUTPUT CURRENT MIN:0A; OUTPUT CURRENT MAX:3 ...
    $1,720.00 Buy Surplus As Low As $1,032.00
    $1,032.00
    Repair Yours $857.00
    B&K PRECISION 2569

    B&K PRECISION

    2569

    DSO, 300MHZ, 2GSPS, 1.2NS, TFT LCD, PRODUCT RANGE:2560 SERIES, SCOPE CHANNELS:4 CHANNEL, BANDWIDTH:300MHZ, SAMPLING RATE:2GSPS, DISPLAY MEMORY DEPTH:140 MPTS, CALCULATED RISE TIME:1.2NS, SCO ...
    $5,205.00 Buy Surplus As Low As $3,123.00
    $3,123.00
    Repair Yours $2,593.00
    B&K PRECISION XLNTB

    B&K PRECISION

    XLNTB

    SOLDERLESS OUTPUT CONNECTOR, PWR SUPPLY; ACCESSORY TYPE:SOLDERLESS OUTPUT CONNECTOR; FOR USE WITH:B&K PRECISION XLN SERIES HIGH CURRENT POWER SUPPLIES; PRODUCT RANGE:XLN SERIES ROHS COMPLIAN ...
    $178.00 Buy Surplus As Low As $107.00
    $107.00
    B&K PRECISION XLNRK

    B&K PRECISION

    XLNRK

    RACK MOUNT KIT FOR XLN MODELS
    $84.00 Buy Surplus As Low As $51.00
    $51.00
    Previous Next
    5 6 7 8 9 10 11 12 13 14 15