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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 8400A-2.7/16 1 Sq. Dr. Socket 2.7/16 6 point Length 82mm

Ko-ken 8400A-2.7/16 1 Sq. Dr. Socket 2.7/16 6 point Length 82mm

SKU: KK-8400A-2.7/16
MPN: 8400A-2.7/16

Save $26.02
Ko-ken 8400A-2.7/8 1 Sq. Dr. Socket 2.7/8 6 point Length 88mm

Ko-ken 8400A-2.7/8 1 Sq. Dr. Socket 2.7/8 6 point Length 88mm

SKU: KK-8400A-2.7/8
MPN: 8400A-2.7/8

Save $44.38
Ko-ken 8400A-2.9/16 1 Sq. Dr. Socket 2.9/16 6 point Length 86mm

Ko-ken 8400A-2.9/16 1 Sq. Dr. Socket 2.9/16 6 point Length 86mm

SKU: KK-8400A-2.9/16
MPN: 8400A-2.9/16

Save $32.21
Ko-ken 8400A-3 1 Sq. Dr. Socket 3 6 point Length 90mm

Ko-ken 8400A-3 1 Sq. Dr. Socket 3 6 point Length 90mm

SKU: KK-8400A-3
MPN: 8400A-3

Save $50.78
Ko-ken 8400A-3.1/2 1 Sq. Dr. Socket 3.1/2 6 point Length 100mm

Ko-ken 8400A-3.1/2 1 Sq. Dr. Socket 3.1/2 6 point Length 100mm

SKU: KK-8400A-3.1/2
MPN: 8400A-3.1/2

Save $66.51
Ko-ken 8400A-3.1/4 1 Sq. Dr. Socket 3.1/4 6 point Length 95mm

Ko-ken 8400A-3.1/4 1 Sq. Dr. Socket 3.1/4 6 point Length 95mm

SKU: KK-8400A-3.1/4
MPN: 8400A-3.1/4

Save $53.29
Ko-ken 8400A-3.1/8 1 Sq. Dr. Socket 3.1/8 6 point Length 95mm

Ko-ken 8400A-3.1/8 1 Sq. Dr. Socket 3.1/8 6 point Length 95mm

SKU: KK-8400A-3.1/8
MPN: 8400A-3.1/8

Save $50.78
Ko-ken 8400A-3.3/4 1 Sq. Dr. Socket 3.3/4 6 point Length 100mm

Ko-ken 8400A-3.3/4 1 Sq. Dr. Socket 3.3/4 6 point Length 100mm

SKU: KK-8400A-3.3/4
MPN: 8400A-3.3/4

Save $73.23
Ko-ken 8400A-3.3/8 1 Sq. Dr. Socket 3.3/8 6 point Length 95mm

Ko-ken 8400A-3.3/8 1 Sq. Dr. Socket 3.3/8 6 point Length 95mm

SKU: KK-8400A-3.3/8
MPN: 8400A-3.3/8

Save $59.69
Ko-ken 8400M-100 1 Sq. Dr. Socket 100mm 6 point Length 100mm

Ko-ken 8400M-100 1 Sq. Dr. Socket 100mm 6 point Length 100mm

SKU: KK-8400M-100
MPN: 8400M-100

Save $72.39
Ko-ken 8400M-24 1 Sq. Dr. Socket 24mm 6 point Length 60mm

Ko-ken 8400M-24 1 Sq. Dr. Socket 24mm 6 point Length 60mm

SKU: KK-8400M-24
MPN: 8400M-24

Save $10.01
Ko-ken 8400M-27 1 Sq. Dr. Socket 27mm 6 point Length 60mm

Ko-ken 8400M-27 1 Sq. Dr. Socket 27mm 6 point Length 60mm

SKU: KK-8400M-27
MPN: 8400M-27

Save $10.01
Ko-ken 8400M-28 1 Sq. Dr. Socket 28mm 6 point Length 60mm

Ko-ken 8400M-28 1 Sq. Dr. Socket 28mm 6 point Length 60mm

SKU: KK-8400M-28
MPN: 8400M-28

Save $10.01
Ko-ken 8400M-29 1 Sq. Dr. Socket 29mm 6 point Length 60mm

Ko-ken 8400M-29 1 Sq. Dr. Socket 29mm 6 point Length 60mm

SKU: KK-8400M-29
MPN: 8400M-29

Save $10.01
Ko-ken 8400M-30 1 Sq. Dr. Socket 30mm 6 point Length 65mm

Ko-ken 8400M-30 1 Sq. Dr. Socket 30mm 6 point Length 65mm

SKU: KK-8400M-30
MPN: 8400M-30

Save $10.01
Ko-ken 8400M-32 1 Sq. Dr. Socket 32mm 6 point Length 65mm

Ko-ken 8400M-32 1 Sq. Dr. Socket 32mm 6 point Length 65mm

SKU: KK-8400M-32
MPN: 8400M-32

Save $10.01
Ko-ken 8400M-33 1 Sq. Dr. Socket 33mm 6 point Length 65mm

Ko-ken 8400M-33 1 Sq. Dr. Socket 33mm 6 point Length 65mm

SKU: KK-8400M-33
MPN: 8400M-33

Save $10.01
Ko-ken 8400M-34 1 Sq. Dr. Socket 34mm 6 point Length 65mm

Ko-ken 8400M-34 1 Sq. Dr. Socket 34mm 6 point Length 65mm

SKU: KK-8400M-34
MPN: 8400M-34

Save $10.01
Ko-ken 8400M-35 1 Sq. Dr. Socket 35mm 6 point Length 65mm

Ko-ken 8400M-35 1 Sq. Dr. Socket 35mm 6 point Length 65mm

SKU: KK-8400M-35
MPN: 8400M-35

Save $10.01
Ko-ken 8400M-36 1 Sq. Dr. Socket 36mm 6 point Length 65mm

Ko-ken 8400M-36 1 Sq. Dr. Socket 36mm 6 point Length 65mm

SKU: KK-8400M-36
MPN: 8400M-36

Save $10.01
Ko-ken 8400M-38 1 Sq. Dr. Socket 38mm 6 point Length 65mm

Ko-ken 8400M-38 1 Sq. Dr. Socket 38mm 6 point Length 65mm

SKU: KK-8400M-38
MPN: 8400M-38

Save $10.01
Ko-ken 8400M-39 1 Sq. Dr. Socket 39mm 6 point Length 65mm

Ko-ken 8400M-39 1 Sq. Dr. Socket 39mm 6 point Length 65mm

SKU: KK-8400M-39
MPN: 8400M-39

Save $10.91
Ko-ken 8400M-40 1 Sq. Dr. Socket 40mm 6 point Length 65mm

Ko-ken 8400M-40 1 Sq. Dr. Socket 40mm 6 point Length 65mm

SKU: KK-8400M-40
MPN: 8400M-40

Save $10.91
Ko-ken 8400M-41 1 Sq. Dr. Socket 41mm 6 point Length 68mm

Ko-ken 8400M-41 1 Sq. Dr. Socket 41mm 6 point Length 68mm

SKU: KK-8400M-41
MPN: 8400M-41

Save $11.74