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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 3300X-16 3/8 Sq. Dr. Socket 16mm 6 point Length 40mm

Ko-ken 3300X-16 3/8 Sq. Dr. Socket 16mm 6 point Length 40mm

SKU: KK-3300X-16
MPN: 3300X-16

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Ko-ken 3300X-17 3/8 Sq. Dr. Socket 17mm 6 point Length 40mm

Ko-ken 3300X-17 3/8 Sq. Dr. Socket 17mm 6 point Length 40mm

SKU: KK-3300X-17
MPN: 3300X-17

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Ko-ken 3300X-18 3/8 Sq. Dr. Socket 18mm 6 point Length 40mm

Ko-ken 3300X-18 3/8 Sq. Dr. Socket 18mm 6 point Length 40mm

SKU: KK-3300X-18
MPN: 3300X-18

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Ko-ken 3300X-19 3/8 Sq. Dr. Socket 19mm 6 point Length 40mm

Ko-ken 3300X-19 3/8 Sq. Dr. Socket 19mm 6 point Length 40mm

SKU: KK-3300X-19
MPN: 3300X-19

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Ko-ken 3300X-8 3/8 Sq. Dr. Socket 8mm 6 point Length 40mm

Ko-ken 3300X-8 3/8 Sq. Dr. Socket 8mm 6 point Length 40mm

SKU: KK-3300X-8
MPN: 3300X-8

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Ko-ken 3300X-9 3/8 Sq. Dr. Socket 9mm 6 point Length 40mm

Ko-ken 3300X-9 3/8 Sq. Dr. Socket 9mm 6 point Length 40mm

SKU: KK-3300X-9
MPN: 3300X-9

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Ko-ken 3300XA-1/2 3/8 Sq. Dr. Socket 1/2 6 point Length 40mm

Ko-ken 3300XA-1/2 3/8 Sq. Dr. Socket 1/2 6 point Length 40mm

SKU: KK-3300XA-1/2
MPN: 3300XA-1/2

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Ko-ken 3300XA-1/4 3/8 Sq. Dr. Socket 1/4 6 point Length 40mm

Ko-ken 3300XA-1/4 3/8 Sq. Dr. Socket 1/4 6 point Length 40mm

SKU: KK-3300XA-1/4
MPN: 3300XA-1/4

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Ko-ken 3300XA-11/16 3/8 Sq. Dr. Socket 11/16 6 point Length 40mm

Ko-ken 3300XA-11/16 3/8 Sq. Dr. Socket 11/16 6 point Length 40mm

SKU: KK-3300XA-11/16
MPN: 3300XA-11/16

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Ko-ken 3300XA-3/4 3/8 Sq. Dr. Socket 3/4 6 point Length 40mm

Ko-ken 3300XA-3/4 3/8 Sq. Dr. Socket 3/4 6 point Length 40mm

SKU: KK-3300XA-3/4
MPN: 3300XA-3/4

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Ko-ken 3300XA-3/8 3/8 Sq. Dr. Socket 3/8 6 point Length 40mm

Ko-ken 3300XA-3/8 3/8 Sq. Dr. Socket 3/8 6 point Length 40mm

SKU: KK-3300XA-3/8
MPN: 3300XA-3/8

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Ko-ken 3300XA-5/16 3/8 Sq. Dr. Socket 5/16 6 point Length 40mm

Ko-ken 3300XA-5/16 3/8 Sq. Dr. Socket 5/16 6 point Length 40mm

SKU: KK-3300XA-5/16
MPN: 3300XA-5/16

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Ko-ken 3300XA-5/8 3/8 Sq. Dr. Socket 5/8 6 point Length 40mm

Ko-ken 3300XA-5/8 3/8 Sq. Dr. Socket 5/8 6 point Length 40mm

SKU: KK-3300XA-5/8
MPN: 3300XA-5/8

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Ko-ken 3300XA-7/16 3/8 Sq. Dr. Socket 7/16 6 point Length 40mm

Ko-ken 3300XA-7/16 3/8 Sq. Dr. Socket 7/16 6 point Length 40mm

SKU: KK-3300XA-7/16
MPN: 3300XA-7/16

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Ko-ken 3300XA-9/16 3/8 Sq. Dr. Socket 9/16 6 point Length 40mm

Ko-ken 3300XA-9/16 3/8 Sq. Dr. Socket 9/16 6 point Length 40mm

SKU: KK-3300XA-9/16
MPN: 3300XA-9/16

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Ko-ken 3305A-1/2 3/8 Sq. Dr. Socket 1/2 12 point Length 55mm

Ko-ken 3305A-1/2 3/8 Sq. Dr. Socket 1/2 12 point Length 55mm

SKU: KK-3305A-1/2
MPN: 3305A-1/2

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Ko-ken 3305A-1/4 3/8 Sq. Dr. Socket 1/4 12 point Length 55mm

Ko-ken 3305A-1/4 3/8 Sq. Dr. Socket 1/4 12 point Length 55mm

SKU: KK-3305A-1/4
MPN: 3305A-1/4

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Ko-ken 3305A-11/16 3/8 Sq. Dr. Socket 11/16 12 point Length 55mm

Ko-ken 3305A-11/16 3/8 Sq. Dr. Socket 11/16 12 point Length 55mm

SKU: KK-3305A-11/16
MPN: 3305A-11/16

Save $3.24
Ko-ken 3305A-11/32 3/8 Sq. Dr. Socket 11/32 12 point Length 55mm

Ko-ken 3305A-11/32 3/8 Sq. Dr. Socket 11/32 12 point Length 55mm

SKU: KK-3305A-11/32
MPN: 3305A-11/32

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Ko-ken 3305A-13/16 3/8 Sq. Dr. Socket 13/16 12 point Length 65mm

Ko-ken 3305A-13/16 3/8 Sq. Dr. Socket 13/16 12 point Length 65mm

SKU: KK-3305A-13/16
MPN: 3305A-13/16

Save $3.93
Ko-ken 3305A-15/16 3/8 Sq. Dr. Socket 15/16 12 point Length 65mm

Ko-ken 3305A-15/16 3/8 Sq. Dr. Socket 15/16 12 point Length 65mm

SKU: KK-3305A-15/16
MPN: 3305A-15/16

Save $4.51
Ko-ken 3305A-19/32 3/8 Sq. Dr. Socket 19/32 12 point Length 55mm

Ko-ken 3305A-19/32 3/8 Sq. Dr. Socket 19/32 12 point Length 55mm

SKU: KK-3305A-19/32
MPN: 3305A-19/32

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Ko-ken 3305A-3/4 3/8 Sq. Dr. Socket 3/4 12 point Length 55mm

Ko-ken 3305A-3/4 3/8 Sq. Dr. Socket 3/4 12 point Length 55mm

SKU: KK-3305A-3/4
MPN: 3305A-3/4

Save $3.24
Ko-ken 3305A-3/8 3/8 Sq. Dr. Socket 3/8 12 point Length 55mm

Ko-ken 3305A-3/8 3/8 Sq. Dr. Socket 3/8 12 point Length 55mm

SKU: KK-3305A-3/8
MPN: 3305A-3/8

Save $2.48