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KK Hand Tools

Ko-Ken hand tools include professional-grade tools and accessories used for assembly, maintenance, and repair in automotive, industrial, and MRO environments (application dependent). Technicians and maintenance teams typically choose these tools for consistent fit on fasteners, durability under daily use, and better access in tight spaces. Because “hand tools” covers many categories, selecting the right item is mainly about matching the tool type and specifications to your fastener sizes, drive system, and working conditions (per listing).


Explore our full range of Ko-Ken hand tools, including:
Standard and deep sockets (metric and SAE)
Ratchets and breaker bars for high-torque applications
Extension bars for hard-to-reach fasteners
Specialty tools and adaptors for unique jobs

Ko-ken 4440T-E16 1/2 Sq. Dr. Universal Socket TORX E16 Length 65mm

Ko-ken 4440T-E16 1/2 Sq. Dr. Universal Socket TORX E16 Length 65mm

SKU: KK-4440T-E16
MPN: 4440T-E16

Save $8.89
Ko-ken 4440T-E18 1/2 Sq. Dr. Universal Socket TORX E18 Length 67mm

Ko-ken 4440T-E18 1/2 Sq. Dr. Universal Socket TORX E18 Length 67mm

SKU: KK-4440T-E18
MPN: 4440T-E18

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Ko-ken 4445A-1/2 1/2 Sq. Dr. Universal Socket 1/2 12 point Length 66mm

Ko-ken 4445A-1/2 1/2 Sq. Dr. Universal Socket 1/2 12 point Length 66mm

SKU: KK-4445A-1/2
MPN: 4445A-1/2

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Ko-ken 4445A-11/16 1/2 Sq. Dr. Universal Socket 11/16 12 point Length 69mm

Ko-ken 4445A-11/16 1/2 Sq. Dr. Universal Socket 11/16 12 point Length 69mm

SKU: KK-4445A-11/16
MPN: 4445A-11/16

Save $10.17
Ko-ken 4445A-3/8 1/2 Sq. Dr. Universal Socket 3/8 12 point Length 63mm

Ko-ken 4445A-3/8 1/2 Sq. Dr. Universal Socket 3/8 12 point Length 63mm

SKU: KK-4445A-3/8
MPN: 4445A-3/8

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Ko-ken 4445A-5/8 1/2 Sq. Dr. Universal Socket 5/8 12 point Length 68mm

Ko-ken 4445A-5/8 1/2 Sq. Dr. Universal Socket 5/8 12 point Length 68mm

SKU: KK-4445A-5/8
MPN: 4445A-5/8

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Ko-ken 4445A-7/16 1/2 Sq. Dr. Universal Socket 7/16 12 point Length 65mm

Ko-ken 4445A-7/16 1/2 Sq. Dr. Universal Socket 7/16 12 point Length 65mm

SKU: KK-4445A-7/16
MPN: 4445A-7/16

Save $9.56
Ko-ken 4445A-9/16 1/2 Sq. Dr. Universal Socket 9/16 12 point Length 66mm

Ko-ken 4445A-9/16 1/2 Sq. Dr. Universal Socket 9/16 12 point Length 66mm

SKU: KK-4445A-9/16
MPN: 4445A-9/16

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Ko-ken 4445M-10 1/2 Sq. Dr. Universal Socket 10mm 12 point Length 63mm

Ko-ken 4445M-10 1/2 Sq. Dr. Universal Socket 10mm 12 point Length 63mm

SKU: KK-4445M-10
MPN: 4445M-10

Save $8.13
Ko-ken 4445M-12 1/2 Sq. Dr. Universal Socket 12mm 12 point Length 65mm

Ko-ken 4445M-12 1/2 Sq. Dr. Universal Socket 12mm 12 point Length 65mm

SKU: KK-4445M-12
MPN: 4445M-12

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Ko-ken 4445M-13 1/2 Sq. Dr. Universal Socket 13mm 12 point Length 66mm

Ko-ken 4445M-13 1/2 Sq. Dr. Universal Socket 13mm 12 point Length 66mm

SKU: KK-4445M-13
MPN: 4445M-13

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Ko-ken 4445M-14 1/2 Sq. Dr. Universal Socket 14mm 12 point Length 66mm

Ko-ken 4445M-14 1/2 Sq. Dr. Universal Socket 14mm 12 point Length 66mm

SKU: KK-4445M-14
MPN: 4445M-14

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Ko-ken 4445M-17 1/2 Sq. Dr. Universal Socket 17mm 12 point Length 69mm

Ko-ken 4445M-17 1/2 Sq. Dr. Universal Socket 17mm 12 point Length 69mm

SKU: KK-4445M-17
MPN: 4445M-17

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Ko-ken 4445M-19 1/2 Sq. Dr. Universal Socket 19mm 12 point Length 71mm

Ko-ken 4445M-19 1/2 Sq. Dr. Universal Socket 19mm 12 point Length 71mm

SKU: KK-4445M-19
MPN: 4445M-19

Save $8.65
Ko-ken 4445M-21 1/2 Sq. Dr. Universal Socket 21mm 12 point Length 72mm

Ko-ken 4445M-21 1/2 Sq. Dr. Universal Socket 21mm 12 point Length 72mm

SKU: KK-4445M-21
MPN: 4445M-21

Save $8.95
Ko-ken 4445M-22 1/2 Sq. Dr. Universal Socket 22mm 12 point Length 72mm

Ko-ken 4445M-22 1/2 Sq. Dr. Universal Socket 22mm 12 point Length 72mm

SKU: KK-4445M-22
MPN: 4445M-22

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Ko-ken RS2445A/9 1/4 Sq. Dr. Universal Socket set 3/16-9/16 12 point 150mm 9 pieces

Ko-ken RS2445A/9 1/4 Sq. Dr. Universal Socket set 3/16-9/16 12 point 150mm 9 pieces

SKU: KK-RS2445A/9
MPN: RS2445A/9

Save $58.85
Ko-ken RS3340M/8-L75 3/8 Sq. Dr. Universal Socket set 8mm-19mm 6 point 200mm 8 pieces

Ko-ken RS3340M/8-L75 3/8 Sq. Dr. Universal Socket set 8mm-19mm 6 point 200mm 8 pieces

SKU: KK-RS3340M/8-L75
MPN: RS3340M/8-L75

Save $68.72
Ko-ken RS3440A/8 3/8 Sq. Dr. Universal Socket set 5/16-3/4 6 point 200mm 8 pieces

Ko-ken RS3440A/8 3/8 Sq. Dr. Universal Socket set 5/16-3/4 6 point 200mm 8 pieces

SKU: KK-RS3440A/8
MPN: RS3440A/8

Save $58.54
Ko-ken RS3440M/8 3/8 Sq. Dr. Universal Socket set 8mm-19mm 6 point 200mm 8 pieces

Ko-ken RS3440M/8 3/8 Sq. Dr. Universal Socket set 8mm-19mm 6 point 200mm 8 pieces

SKU: KK-RS3440M/8
MPN: RS3440M/8

Save $52.98
Ko-ken RS3440T/8 3/8 Sq. Dr. Universal Socket set TORX E6-E20 200mm 8 pieces

Ko-ken RS3440T/8 3/8 Sq. Dr. Universal Socket set TORX E6-E20 200mm 8 pieces

SKU: KK-RS3440T/8
MPN: RS3440T/8

Save $62.53
Ko-ken RS3445W/7 3/8 Sq. Dr. Universal Socket set Whitworth 1/8-1/2 12 point 200mm 7 pieces

Ko-ken RS3445W/7 3/8 Sq. Dr. Universal Socket set Whitworth 1/8-1/2 12 point 200mm 7 pieces

SKU: KK-RS3445W/7
MPN: RS3445W/7

Save $64.73