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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 6400M-75 3/4 Sq. Dr. Socket 75mm 6 point Length 86mm

Ko-ken 6400M-75 3/4 Sq. Dr. Socket 75mm 6 point Length 86mm

SKU: KK-6400M-75
MPN: 6400M-75

Save $32
Ko-ken 6400M-78 3/4 Sq. Dr. Socket 78mm 6 point Length 86mm

Ko-ken 6400M-78 3/4 Sq. Dr. Socket 78mm 6 point Length 86mm

SKU: KK-6400M-78
MPN: 6400M-78

Save $35.98
Ko-ken 6400M-80 3/4 Sq. Dr. Socket 80mm 6 point Length 90mm

Ko-ken 6400M-80 3/4 Sq. Dr. Socket 80mm 6 point Length 90mm

SKU: KK-6400M-80
MPN: 6400M-80

Save $36.72
Ko-ken 6400M-85 3/4 Sq. Dr. Socket 85mm 6 point Length 90mm

Ko-ken 6400M-85 3/4 Sq. Dr. Socket 85mm 6 point Length 90mm

SKU: KK-6400M-85
MPN: 6400M-85

Save $39.24
Ko-ken 6405M-78 3/4 Sq. Dr. Socket 78mm 12 point Length 86mm

Ko-ken 6405M-78 3/4 Sq. Dr. Socket 78mm 12 point Length 86mm

SKU: KK-6405M-78
MPN: 6405M-78

Save $35.98
Ko-ken 8400A-1.1/2 1 Sq. Dr. Socket 1.1/2 6 point Length 65mm

Ko-ken 8400A-1.1/2 1 Sq. Dr. Socket 1.1/2 6 point Length 65mm

SKU: KK-8400A-1.1/2
MPN: 8400A-1.1/2

Save $11.01
Ko-ken 8400A-1.1/4 1 Sq. Dr. Socket 1.1/4 6 point Length 65mm

Ko-ken 8400A-1.1/4 1 Sq. Dr. Socket 1.1/4 6 point Length 65mm

SKU: KK-8400A-1.1/4
MPN: 8400A-1.1/4

Save $11.01
Ko-ken 8400A-1.11/16 1 Sq. Dr. Socket 1.11/16 6 point Length 68mm

Ko-ken 8400A-1.11/16 1 Sq. Dr. Socket 1.11/16 6 point Length 68mm

SKU: KK-8400A-1.11/16
MPN: 8400A-1.11/16

Save $15.84
Ko-ken 8400A-1.13/16 1 Sq. Dr. Socket 1.13/16 6 point Length 72mm

Ko-ken 8400A-1.13/16 1 Sq. Dr. Socket 1.13/16 6 point Length 72mm

SKU: KK-8400A-1.13/16
MPN: 8400A-1.13/16

Save $15.84
Ko-ken 8400A-1.15/16 1 Sq. Dr. Socket 1.15/16 6 point Length 72mm

Ko-ken 8400A-1.15/16 1 Sq. Dr. Socket 1.15/16 6 point Length 72mm

SKU: KK-8400A-1.15/16
MPN: 8400A-1.15/16

Save $17.63
Ko-ken 8400A-1.3/16 1 Sq. Dr. Socket 1.3/16 6 point Length 65mm

Ko-ken 8400A-1.3/16 1 Sq. Dr. Socket 1.3/16 6 point Length 65mm

SKU: KK-8400A-1.3/16
MPN: 8400A-1.3/16

Save $11.01
Ko-ken 8400A-1.3/4 1 Sq. Dr. Socket 1.3/4 6 point Length 68mm

Ko-ken 8400A-1.3/4 1 Sq. Dr. Socket 1.3/4 6 point Length 68mm

SKU: KK-8400A-1.3/4
MPN: 8400A-1.3/4

Save $15.84
Ko-ken 8400A-1.3/8 1 Sq. Dr. Socket 1.3/8 6 point Length 65mm

Ko-ken 8400A-1.3/8 1 Sq. Dr. Socket 1.3/8 6 point Length 65mm

SKU: KK-8400A-1.3/8
MPN: 8400A-1.3/8

Save $11.01
Ko-ken 8400A-1.5/16 1 Sq. Dr. Socket 1.5/16 6 point Length 65mm

Ko-ken 8400A-1.5/16 1 Sq. Dr. Socket 1.5/16 6 point Length 65mm

SKU: KK-8400A-1.5/16
MPN: 8400A-1.5/16

Save $11.01
Ko-ken 8400A-1.5/8 1 Sq. Dr. Socket 1.5/8 6 point Length 68mm

Ko-ken 8400A-1.5/8 1 Sq. Dr. Socket 1.5/8 6 point Length 68mm

SKU: KK-8400A-1.5/8
MPN: 8400A-1.5/8

Save $13.01
Ko-ken 8400A-1.7/16 1 Sq. Dr. Socket 1.7/16 6 point Length 65mm

Ko-ken 8400A-1.7/16 1 Sq. Dr. Socket 1.7/16 6 point Length 65mm

SKU: KK-8400A-1.7/16
MPN: 8400A-1.7/16

Save $11.01
Ko-ken 8400A-1.7/8 1 Sq. Dr. Socket 1.7/8 6 point Length 72mm

Ko-ken 8400A-1.7/8 1 Sq. Dr. Socket 1.7/8 6 point Length 72mm

SKU: KK-8400A-1.7/8
MPN: 8400A-1.7/8

Save $17.63
Ko-ken 8400A-1.9/16 1 Sq. Dr. Socket 1.9/16 6 point Length 65mm

Ko-ken 8400A-1.9/16 1 Sq. Dr. Socket 1.9/16 6 point Length 65mm

SKU: KK-8400A-1.9/16
MPN: 8400A-1.9/16

Save $12.06
Ko-ken 8400A-15/16 1 Sq. Dr. Socket 15/16 6 point Length 60mm

Ko-ken 8400A-15/16 1 Sq. Dr. Socket 15/16 6 point Length 60mm

SKU: KK-8400A-15/16
MPN: 8400A-15/16

Save $11.01
Ko-ken 8400A-2 1 Sq. Dr. Socket 2 6 point Length 72mm

Ko-ken 8400A-2 1 Sq. Dr. Socket 2 6 point Length 72mm

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

Save $17.73
Ko-ken 8400A-2.1/16 1 Sq. Dr. Socket 2.1/16 6 point Length 72mm

Ko-ken 8400A-2.1/16 1 Sq. Dr. Socket 2.1/16 6 point Length 72mm

SKU: KK-8400A-2.1/16
MPN: 8400A-2.1/16

Save $17.73
Ko-ken 8400A-2.1/2 1 Sq. Dr. Socket 2.1/2 6 point Length 82mm

Ko-ken 8400A-2.1/2 1 Sq. Dr. Socket 2.1/2 6 point Length 82mm

SKU: KK-8400A-2.1/2
MPN: 8400A-2.1/2

Save $32.21
Ko-ken 8400A-2.1/4 1 Sq. Dr. Socket 2.1/4 6 point Length 77mm

Ko-ken 8400A-2.1/4 1 Sq. Dr. Socket 2.1/4 6 point Length 77mm

SKU: KK-8400A-2.1/4
MPN: 8400A-2.1/4

Save $24.13
Ko-ken 8400A-2.1/8 1 Sq. Dr. Socket 2.1/8 6 point Length 72mm

Ko-ken 8400A-2.1/8 1 Sq. Dr. Socket 2.1/8 6 point Length 72mm

SKU: KK-8400A-2.1/8
MPN: 8400A-2.1/8

Save $20.67