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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 3011M.120-6 3/8 Sq. Dr. Bit Socket 6mm Ballpoint Hex Length 120mm

Ko-ken 3011M.120-6 3/8 Sq. Dr. Bit Socket 6mm Ballpoint Hex Length 120mm

SKU: KK-3011M.120-6
MPN: 3011M.120-6

Save $3.78
Ko-ken 3011M.120-7 3/8 Sq. Dr. Bit Socket 7mm Ballpoint Hex Length 120mm

Ko-ken 3011M.120-7 3/8 Sq. Dr. Bit Socket 7mm Ballpoint Hex Length 120mm

SKU: KK-3011M.120-7
MPN: 3011M.120-7

Save $3.80
Ko-ken 3011M.120-8 3/8 Sq. Dr. Bit Socket 8mm Ballpoint Hex Length 120mm

Ko-ken 3011M.120-8 3/8 Sq. Dr. Bit Socket 8mm Ballpoint Hex Length 120mm

SKU: KK-3011M.120-8
MPN: 3011M.120-8

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Ko-ken 3011M.160-3 3/8 Sq. Dr. Bit Socket 3mm Ballpoint Hex Length 160mm

Ko-ken 3011M.160-3 3/8 Sq. Dr. Bit Socket 3mm Ballpoint Hex Length 160mm

SKU: KK-3011M.160-3
MPN: 3011M.160-3

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Ko-ken 3011M.160-4 3/8 Sq. Dr. Bit Socket 4mm Ballpoint Hex Length 160mm

Ko-ken 3011M.160-4 3/8 Sq. Dr. Bit Socket 4mm Ballpoint Hex Length 160mm

SKU: KK-3011M.160-4
MPN: 3011M.160-4

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Ko-ken 3011M.160-5 3/8 Sq. Dr. Bit Socket 5mm Ballpoint Hex Length 160mm

Ko-ken 3011M.160-5 3/8 Sq. Dr. Bit Socket 5mm Ballpoint Hex Length 160mm

SKU: KK-3011M.160-5
MPN: 3011M.160-5

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Ko-ken 3011M.62-6 3/8 Sq. Dr. Bit Socket 6mm Ballpoint Hex Length 62mm

Ko-ken 3011M.62-6 3/8 Sq. Dr. Bit Socket 6mm Ballpoint Hex Length 62mm

SKU: KK-3011M.62-6
MPN: 3011M.62-6

Save $2.60
Ko-ken 3011M.62-7 3/8 Sq. Dr. Bit Socket 7mm Ballpoint Hex Length 62mm

Ko-ken 3011M.62-7 3/8 Sq. Dr. Bit Socket 7mm Ballpoint Hex Length 62mm

SKU: KK-3011M.62-7
MPN: 3011M.62-7

Save $2.71
Ko-ken 3011M.62-8 3/8 Sq. Dr. Bit Socket 8mm Ballpoint Hex Length 62mm

Ko-ken 3011M.62-8 3/8 Sq. Dr. Bit Socket 8mm Ballpoint Hex Length 62mm

SKU: KK-3011M.62-8
MPN: 3011M.62-8

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Ko-ken 3012A.52-1/2 3/8 Sq. Dr. Bit Socket 1/2 Hex Length 52mm

Ko-ken 3012A.52-1/2 3/8 Sq. Dr. Bit Socket 1/2 Hex Length 52mm

SKU: KK-3012A.52-1/2
MPN: 3012A.52-1/2

Save $3.03
Ko-ken 3012A.52-1/4 3/8 Sq. Dr. Bit Socket 1/4 Hex Length 52mm

Ko-ken 3012A.52-1/4 3/8 Sq. Dr. Bit Socket 1/4 Hex Length 52mm

SKU: KK-3012A.52-1/4
MPN: 3012A.52-1/4

Save $2.67
Ko-ken 3012A.52-1/8 3/8 Sq. Dr. Bit Socket 1/8 Hex Length 52mm

Ko-ken 3012A.52-1/8 3/8 Sq. Dr. Bit Socket 1/8 Hex Length 52mm

SKU: KK-3012A.52-1/8
MPN: 3012A.52-1/8

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Ko-ken 3012A.52-11/32 3/8 Sq. Dr. Bit Socket 11/32 Hex Length 52mm

Ko-ken 3012A.52-11/32 3/8 Sq. Dr. Bit Socket 11/32 Hex Length 52mm

SKU: KK-3012A.52-11/32
MPN: 3012A.52-11/32

Save $2.95
Ko-ken 3012A.52-3/16 3/8 Sq. Dr. Bit Socket 3/16 Hex Length 52mm

Ko-ken 3012A.52-3/16 3/8 Sq. Dr. Bit Socket 3/16 Hex Length 52mm

SKU: KK-3012A.52-3/16
MPN: 3012A.52-3/16

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Ko-ken 3012A.52-3/8 3/8 Sq. Dr. Bit Socket 3/8 Hex Length 52mm

Ko-ken 3012A.52-3/8 3/8 Sq. Dr. Bit Socket 3/8 Hex Length 52mm

SKU: KK-3012A.52-3/8
MPN: 3012A.52-3/8

Save $2.95
Ko-ken 3012A.52-5/16 3/8 Sq. Dr. Bit Socket 5/16 Hex Length 52mm

Ko-ken 3012A.52-5/16 3/8 Sq. Dr. Bit Socket 5/16 Hex Length 52mm

SKU: KK-3012A.52-5/16
MPN: 3012A.52-5/16

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Ko-ken 3012A.52-5/32 3/8 Sq. Dr. Bit Socket 5/32 Hex Length 52mm

Ko-ken 3012A.52-5/32 3/8 Sq. Dr. Bit Socket 5/32 Hex Length 52mm

SKU: KK-3012A.52-5/32
MPN: 3012A.52-5/32

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Ko-ken 3012A.52-7/16 3/8 Sq. Dr. Bit Socket 7/16 Hex Length 52mm

Ko-ken 3012A.52-7/16 3/8 Sq. Dr. Bit Socket 7/16 Hex Length 52mm

SKU: KK-3012A.52-7/16
MPN: 3012A.52-7/16

Save $3.03
Ko-ken 3012A.52-7/32 3/8 Sq. Dr. Bit Socket 7/32 Hex Length 52mm

Ko-ken 3012A.52-7/32 3/8 Sq. Dr. Bit Socket 7/32 Hex Length 52mm

SKU: KK-3012A.52-7/32
MPN: 3012A.52-7/32

Save $2.67
Ko-ken 3012A.52-9/16 3/8 Sq. Dr. Bit Socket 9/16 Hex Length 52mm

Ko-ken 3012A.52-9/16 3/8 Sq. Dr. Bit Socket 9/16 Hex Length 52mm

SKU: KK-3012A.52-9/16
MPN: 3012A.52-9/16

Save $3.03
Ko-ken 3012A.52-9/32 3/8 Sq. Dr. Bit Socket 9/32 Hex Length 52mm

Ko-ken 3012A.52-9/32 3/8 Sq. Dr. Bit Socket 9/32 Hex Length 52mm

SKU: KK-3012A.52-9/32
MPN: 3012A.52-9/32

Save $2.67
Ko-ken 3012A.62-1/2 3/8 Sq. Dr. Bit Socket 1/2 Hex Length 62mm

Ko-ken 3012A.62-1/2 3/8 Sq. Dr. Bit Socket 1/2 Hex Length 62mm

SKU: KK-3012A.62-1/2
MPN: 3012A.62-1/2

Save $3.29
Ko-ken 3012A.62-1/4 3/8 Sq. Dr. Bit Socket 1/4 Hex Length 62mm

Ko-ken 3012A.62-1/4 3/8 Sq. Dr. Bit Socket 1/4 Hex Length 62mm

SKU: KK-3012A.62-1/4
MPN: 3012A.62-1/4

Save $2.98
Ko-ken 3012A.62-1/8 3/8 Sq. Dr. Bit Socket 1/8 Hex Length 62mm

Ko-ken 3012A.62-1/8 3/8 Sq. Dr. Bit Socket 1/8 Hex Length 62mm

SKU: KK-3012A.62-1/8
MPN: 3012A.62-1/8

Save $2.98