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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 23400A-3/4 3/8 Sq. Dr. Socket 3/4 6 point Length 30mm

Ko-ken 23400A-3/4 3/8 Sq. Dr. Socket 3/4 6 point Length 30mm

SKU: KK-23400A-3/4
MPN: 23400A-3/4

Save $2.70
Ko-ken 23400A-3/8 3/8 Sq. Dr. Socket 3/8 6 point Length 26mm

Ko-ken 23400A-3/8 3/8 Sq. Dr. Socket 3/8 6 point Length 26mm

SKU: KK-23400A-3/8
MPN: 23400A-3/8

Save $2.01
Ko-ken 23400A-5/16 3/8 Sq. Dr. Socket 5/16 6 point Length 26mm

Ko-ken 23400A-5/16 3/8 Sq. Dr. Socket 5/16 6 point Length 26mm

SKU: KK-23400A-5/16
MPN: 23400A-5/16

Save $2.01
Ko-ken 23400A-7/16 3/8 Sq. Dr. Socket 7/16 6 point Length 26mm

Ko-ken 23400A-7/16 3/8 Sq. Dr. Socket 7/16 6 point Length 26mm

SKU: KK-23400A-7/16
MPN: 23400A-7/16

Save $2.01
Ko-ken 23400A-9/16 3/8 Sq. Dr. Socket 9/16 6 point Length 27mm

Ko-ken 23400A-9/16 3/8 Sq. Dr. Socket 9/16 6 point Length 27mm

SKU: KK-23400A-9/16
MPN: 23400A-9/16

Save $2.36
Ko-ken 23400M-10 3/8 Sq. Dr. Socket 10mm 6 point Length 26mm

Ko-ken 23400M-10 3/8 Sq. Dr. Socket 10mm 6 point Length 26mm

SKU: KK-23400M-10
MPN: 23400M-10

Save $2.16
Ko-ken 23400M-11 3/8 Sq. Dr. Socket 11mm 6 point Length 26mm

Ko-ken 23400M-11 3/8 Sq. Dr. Socket 11mm 6 point Length 26mm

SKU: KK-23400M-11
MPN: 23400M-11

Save $1.84
Ko-ken 23400M-12 3/8 Sq. Dr. Socket 12mm 6 point Length 26mm

Ko-ken 23400M-12 3/8 Sq. Dr. Socket 12mm 6 point Length 26mm

SKU: KK-23400M-12
MPN: 23400M-12

Save $1.84
Ko-ken 23400M-13 3/8 Sq. Dr. Socket 13mm 6 point Length 26mm

Ko-ken 23400M-13 3/8 Sq. Dr. Socket 13mm 6 point Length 26mm

SKU: KK-23400M-13
MPN: 23400M-13

Save $2.14
Ko-ken 23400M-14 3/8 Sq. Dr. Socket 14mm 6 point Length 27mm

Ko-ken 23400M-14 3/8 Sq. Dr. Socket 14mm 6 point Length 27mm

SKU: KK-23400M-14
MPN: 23400M-14

Save $2.14
Ko-ken 23400M-15 3/8 Sq. Dr. Socket 15mm 6 point Length 28mm

Ko-ken 23400M-15 3/8 Sq. Dr. Socket 15mm 6 point Length 28mm

SKU: KK-23400M-15
MPN: 23400M-15

Save $2.38
Ko-ken 23400M-16 3/8 Sq. Dr. Socket 16mm 6 point Length 28mm

Ko-ken 23400M-16 3/8 Sq. Dr. Socket 16mm 6 point Length 28mm

SKU: KK-23400M-16
MPN: 23400M-16

Save $2.38
Ko-ken 23400M-17 3/8 Sq. Dr. Socket 17mm 6 point Length 29mm

Ko-ken 23400M-17 3/8 Sq. Dr. Socket 17mm 6 point Length 29mm

SKU: KK-23400M-17
MPN: 23400M-17

Save $2.38
Ko-ken 23400M-18 3/8 Sq. Dr. Socket 18mm 6 point Length 30mm

Ko-ken 23400M-18 3/8 Sq. Dr. Socket 18mm 6 point Length 30mm

SKU: KK-23400M-18
MPN: 23400M-18

Save $2.45
Ko-ken 23400M-19 3/8 Sq. Dr. Socket 19mm 6 point Length 30mm

Ko-ken 23400M-19 3/8 Sq. Dr. Socket 19mm 6 point Length 30mm

SKU: KK-23400M-19
MPN: 23400M-19

Save $2.45
Ko-ken 23400M-21 3/8 Sq. Dr. Socket 21mm 6 point Length 32mm

Ko-ken 23400M-21 3/8 Sq. Dr. Socket 21mm 6 point Length 32mm

SKU: KK-23400M-21
MPN: 23400M-21

Save $3.06
Ko-ken 23400M-6 3/8 Sq. Dr. Socket 6mm 6 point Length 26mm

Ko-ken 23400M-6 3/8 Sq. Dr. Socket 6mm 6 point Length 26mm

SKU: KK-23400M-6
MPN: 23400M-6

Save $1.85
Ko-ken 23400M-7 3/8 Sq. Dr. Socket 7mm 6 point Length 26mm

Ko-ken 23400M-7 3/8 Sq. Dr. Socket 7mm 6 point Length 26mm

SKU: KK-23400M-7
MPN: 23400M-7

Save $1.85
Ko-ken 23400M-8 3/8 Sq. Dr. Socket 8mm 6 point Length 26mm

Ko-ken 23400M-8 3/8 Sq. Dr. Socket 8mm 6 point Length 26mm

SKU: KK-23400M-8
MPN: 23400M-8

Save $2.16
Ko-ken 23400M-9 3/8 Sq. Dr. Socket 9mm 6 point Length 26mm

Ko-ken 23400M-9 3/8 Sq. Dr. Socket 9mm 6 point Length 26mm

SKU: KK-23400M-9
MPN: 23400M-9

Save $1.85
Ko-ken 23405M-10 3/8 Sq. Dr. Socket 10mm 12 point Length 26mm

Ko-ken 23405M-10 3/8 Sq. Dr. Socket 10mm 12 point Length 26mm

SKU: KK-23405M-10
MPN: 23405M-10

Save $1.92
Ko-ken 23405M-12 3/8 Sq. Dr. Socket 12mm 12 point Length 26mm

Ko-ken 23405M-12 3/8 Sq. Dr. Socket 12mm 12 point Length 26mm

SKU: KK-23405M-12
MPN: 23405M-12

Save $1.92
Ko-ken 23405M-14 3/8 Sq. Dr. Socket 14mm 12 point Length 27mm

Ko-ken 23405M-14 3/8 Sq. Dr. Socket 14mm 12 point Length 27mm

SKU: KK-23405M-14
MPN: 23405M-14

Save $2.25
Ko-ken 23405M-8 3/8 Sq. Dr. Socket 8mm 12 point Length 26mm

Ko-ken 23405M-8 3/8 Sq. Dr. Socket 8mm 12 point Length 26mm

SKU: KK-23405M-8
MPN: 23405M-8

Save $1.92