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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 6400A-2.13/16 3/4 Sq. Dr. Socket 2.13/16 6 point Length 84mm

Ko-ken 6400A-2.13/16 3/4 Sq. Dr. Socket 2.13/16 6 point Length 84mm

SKU: KK-6400A-2.13/16
MPN: 6400A-2.13/16

Save $30.32
Ko-ken 6400A-2.15/16 3/4 Sq. Dr. Socket 2.15/16 6 point Length 86mm

Ko-ken 6400A-2.15/16 3/4 Sq. Dr. Socket 2.15/16 6 point Length 86mm

SKU: KK-6400A-2.15/16
MPN: 6400A-2.15/16

Save $35.25
Ko-ken 6400A-2.3/16 3/4 Sq. Dr. Socket 2.3/16 6 point Length 72mm

Ko-ken 6400A-2.3/16 3/4 Sq. Dr. Socket 2.3/16 6 point Length 72mm

SKU: KK-6400A-2.3/16
MPN: 6400A-2.3/16

Save $17.73
Ko-ken 6400A-2.3/4 3/4 Sq. Dr. Socket 2.3/4 6 point Length 84mm

Ko-ken 6400A-2.3/4 3/4 Sq. Dr. Socket 2.3/4 6 point Length 84mm

SKU: KK-6400A-2.3/4
MPN: 6400A-2.3/4

Save $28.53
Ko-ken 6400A-2.3/8 3/4 Sq. Dr. Socket 2.3/8 6 point Length 76mm

Ko-ken 6400A-2.3/8 3/4 Sq. Dr. Socket 2.3/8 6 point Length 76mm

SKU: KK-6400A-2.3/8
MPN: 6400A-2.3/8

Save $22.35
Ko-ken 6400A-2.5/16 3/4 Sq. Dr. Socket 2.5/16 6 point Length 72mm

Ko-ken 6400A-2.5/16 3/4 Sq. Dr. Socket 2.5/16 6 point Length 72mm

SKU: KK-6400A-2.5/16
MPN: 6400A-2.5/16

Save $19.30
Ko-ken 6400A-2.5/8 3/4 Sq. Dr. Socket 2.5/8 6 point Length 80mm

Ko-ken 6400A-2.5/8 3/4 Sq. Dr. Socket 2.5/8 6 point Length 80mm

SKU: KK-6400A-2.5/8
MPN: 6400A-2.5/8

Save $28.32
Ko-ken 6400A-2.7/16 3/4 Sq. Dr. Socket 2.7/16 6 point Length 76mm

Ko-ken 6400A-2.7/16 3/4 Sq. Dr. Socket 2.7/16 6 point Length 76mm

SKU: KK-6400A-2.7/16
MPN: 6400A-2.7/16

Save $23.71
Ko-ken 6400A-2.7/8 3/4 Sq. Dr. Socket 2.7/8 6 point Length 84mm

Ko-ken 6400A-2.7/8 3/4 Sq. Dr. Socket 2.7/8 6 point Length 84mm

SKU: KK-6400A-2.7/8
MPN: 6400A-2.7/8

Save $30.32
Ko-ken 6400A-2.9/16 3/4 Sq. Dr. Socket 2.9/16 6 point Length 80mm

Ko-ken 6400A-2.9/16 3/4 Sq. Dr. Socket 2.9/16 6 point Length 80mm

SKU: KK-6400A-2.9/16
MPN: 6400A-2.9/16

Save $24.76
Ko-ken 6400A-25/32 3/4 Sq. Dr. Socket 25/32 6 point Length 50mm

Ko-ken 6400A-25/32 3/4 Sq. Dr. Socket 25/32 6 point Length 50mm

SKU: KK-6400A-25/32
MPN: 6400A-25/32

Save $4.34
Ko-ken 6400A-3 3/4 Sq. Dr. Socket 3 6 point Length 86mm

Ko-ken 6400A-3 3/4 Sq. Dr. Socket 3 6 point Length 86mm

SKU: KK-6400A-3
MPN: 6400A-3

Save $39.66
Ko-ken 6400A-3.1/8 3/4 Sq. Dr. Socket 3.1/8 6 point Length 90mm

Ko-ken 6400A-3.1/8 3/4 Sq. Dr. Socket 3.1/8 6 point Length 90mm

SKU: KK-6400A-3.1/8
MPN: 6400A-3.1/8

Save $40.39
Ko-ken 6400A-3/4 3/4 Sq. Dr. Socket 3/4 6 point Length 50mm

Ko-ken 6400A-3/4 3/4 Sq. Dr. Socket 3/4 6 point Length 50mm

SKU: KK-6400A-3/4
MPN: 6400A-3/4

Save $4.34
Ko-ken 6400A-31/32 3/4 Sq. Dr. Socket 31/32 6 point Length 50mm

Ko-ken 6400A-31/32 3/4 Sq. Dr. Socket 31/32 6 point Length 50mm

SKU: KK-6400A-31/32
MPN: 6400A-31/32

Save $4.58
Ko-ken 6400A-5/8 3/4 Sq. Dr. Socket 5/8 6 point Length 50mm

Ko-ken 6400A-5/8 3/4 Sq. Dr. Socket 5/8 6 point Length 50mm

SKU: KK-6400A-5/8
MPN: 6400A-5/8

Save $4.34
Ko-ken 6400A-7/8 3/4 Sq. Dr. Socket 7/8 6 point Length 50mm

Ko-ken 6400A-7/8 3/4 Sq. Dr. Socket 7/8 6 point Length 50mm

SKU: KK-6400A-7/8
MPN: 6400A-7/8

Save $4.34
Ko-ken 6400M-14 3/4 Sq. Dr. Socket 14mm 6 point Length 50mm

Ko-ken 6400M-14 3/4 Sq. Dr. Socket 14mm 6 point Length 50mm

SKU: KK-6400M-14
MPN: 6400M-14

Save $3.94
Ko-ken 6400M-16 3/4 Sq. Dr. Socket 16mm 6 point Length 50mm

Ko-ken 6400M-16 3/4 Sq. Dr. Socket 16mm 6 point Length 50mm

SKU: KK-6400M-16
MPN: 6400M-16

Save $3.94
Ko-ken 6400M-17 3/4 Sq. Dr. Socket 17mm 6 point Length 50mm

Ko-ken 6400M-17 3/4 Sq. Dr. Socket 17mm 6 point Length 50mm

SKU: KK-6400M-17
MPN: 6400M-17

Save $3.94
Ko-ken 6400M-18 3/4 Sq. Dr. Socket 18mm 6 point Length 50mm

Ko-ken 6400M-18 3/4 Sq. Dr. Socket 18mm 6 point Length 50mm

SKU: KK-6400M-18
MPN: 6400M-18

Save $3.94
Ko-ken 6400M-19 3/4 Sq. Dr. Socket 19mm 6 point Length 50mm

Ko-ken 6400M-19 3/4 Sq. Dr. Socket 19mm 6 point Length 50mm

SKU: KK-6400M-19
MPN: 6400M-19

Save $3.94
Ko-ken 6400M-20 3/4 Sq. Dr. Socket 20mm 6 point Length 50mm

Ko-ken 6400M-20 3/4 Sq. Dr. Socket 20mm 6 point Length 50mm

SKU: KK-6400M-20
MPN: 6400M-20

Save $3.94
Ko-ken 6400M-21 3/4 Sq. Dr. Socket 21mm 6 point Length 50mm

Ko-ken 6400M-21 3/4 Sq. Dr. Socket 21mm 6 point Length 50mm

SKU: KK-6400M-21
MPN: 6400M-21

Save $3.94