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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 2010M.100-12 1/4 Sq. Dr. Bit Socket 12mm Hex Length 100mm

Ko-ken 2010M.100-12 1/4 Sq. Dr. Bit Socket 12mm Hex Length 100mm

SKU: KK-2010M.100-12
MPN: 2010M.100-12

Save $4.35
Ko-ken 2010M.100-2 1/4 Sq. Dr. Bit Socket 2mm Hex Length 100mm

Ko-ken 2010M.100-2 1/4 Sq. Dr. Bit Socket 2mm Hex Length 100mm

SKU: KK-2010M.100-2
MPN: 2010M.100-2

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Ko-ken 2010M.100-2.5 1/4 Sq. Dr. Bit Socket 2.5mm Hex Length 100mm

Ko-ken 2010M.100-2.5 1/4 Sq. Dr. Bit Socket 2.5mm Hex Length 100mm

SKU: KK-2010M.100-2.5
MPN: 2010M.100-2.5

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Ko-ken 2010M.100-3 1/4 Sq. Dr. Bit Socket 3mm Hex Length 100mm

Ko-ken 2010M.100-3 1/4 Sq. Dr. Bit Socket 3mm Hex Length 100mm

SKU: KK-2010M.100-3
MPN: 2010M.100-3

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Ko-ken 2010M.100-4 1/4 Sq. Dr. Bit Socket 4mm Hex Length 100mm

Ko-ken 2010M.100-4 1/4 Sq. Dr. Bit Socket 4mm Hex Length 100mm

SKU: KK-2010M.100-4
MPN: 2010M.100-4

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Ko-ken 2010M.100-5 1/4 Sq. Dr. Bit Socket 5mm Hex Length 100mm

Ko-ken 2010M.100-5 1/4 Sq. Dr. Bit Socket 5mm Hex Length 100mm

SKU: KK-2010M.100-5
MPN: 2010M.100-5

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Ko-ken 2010M.100-6 1/4 Sq. Dr. Bit Socket 6mm Hex Length 100mm

Ko-ken 2010M.100-6 1/4 Sq. Dr. Bit Socket 6mm Hex Length 100mm

SKU: KK-2010M.100-6
MPN: 2010M.100-6

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Ko-ken 2010M.100-7 1/4 Sq. Dr. Bit Socket 7mm Hex Length 100mm

Ko-ken 2010M.100-7 1/4 Sq. Dr. Bit Socket 7mm Hex Length 100mm

SKU: KK-2010M.100-7
MPN: 2010M.100-7

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Ko-ken 2010M.100-8 1/4 Sq. Dr. Bit Socket 8mm Hex Length 100mm

Ko-ken 2010M.100-8 1/4 Sq. Dr. Bit Socket 8mm Hex Length 100mm

SKU: KK-2010M.100-8
MPN: 2010M.100-8

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Ko-ken 2010M.25-1.5 1/4 Sq. Dr. Bit Socket 1.5mm Hex Length 25mm

Ko-ken 2010M.25-1.5 1/4 Sq. Dr. Bit Socket 1.5mm Hex Length 25mm

SKU: KK-2010M.25-1.5
MPN: 2010M.25-1.5

Save $1.60
Ko-ken 2010M.25-10 1/4 Sq. Dr. Bit Socket 10mm Hex Length 25mm

Ko-ken 2010M.25-10 1/4 Sq. Dr. Bit Socket 10mm Hex Length 25mm

SKU: KK-2010M.25-10
MPN: 2010M.25-10

Save $1.60
Ko-ken 2010M.25-12 1/4 Sq. Dr. Bit Socket 12mm Hex Length 25mm

Ko-ken 2010M.25-12 1/4 Sq. Dr. Bit Socket 12mm Hex Length 25mm

SKU: KK-2010M.25-12
MPN: 2010M.25-12

Save $2.81
Ko-ken 2010M.25-2 1/4 Sq. Dr. Bit Socket 2mm Hex Length 25mm

Ko-ken 2010M.25-2 1/4 Sq. Dr. Bit Socket 2mm Hex Length 25mm

SKU: KK-2010M.25-2
MPN: 2010M.25-2

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Ko-ken 2010M.25-2.5 1/4 Sq. Dr. Bit Socket 2.5mm Hex Length 25mm

Ko-ken 2010M.25-2.5 1/4 Sq. Dr. Bit Socket 2.5mm Hex Length 25mm

SKU: KK-2010M.25-2.5
MPN: 2010M.25-2.5

Save $1.60
Ko-ken 2010M.25-3 1/4 Sq. Dr. Bit Socket 3mm Hex Length 25mm

Ko-ken 2010M.25-3 1/4 Sq. Dr. Bit Socket 3mm Hex Length 25mm

SKU: KK-2010M.25-3
MPN: 2010M.25-3

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Ko-ken 2010M.25-4 1/4 Sq. Dr. Bit Socket 4mm Hex Length 25mm

Ko-ken 2010M.25-4 1/4 Sq. Dr. Bit Socket 4mm Hex Length 25mm

SKU: KK-2010M.25-4
MPN: 2010M.25-4

Save $1.60
Ko-ken 2010M.25-5 1/4 Sq. Dr. Bit Socket 5mm Hex Length 25mm

Ko-ken 2010M.25-5 1/4 Sq. Dr. Bit Socket 5mm Hex Length 25mm

SKU: KK-2010M.25-5
MPN: 2010M.25-5

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Ko-ken 2010M.25-6 1/4 Sq. Dr. Bit Socket 6mm Hex Length 25mm

Ko-ken 2010M.25-6 1/4 Sq. Dr. Bit Socket 6mm Hex Length 25mm

SKU: KK-2010M.25-6
MPN: 2010M.25-6

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Ko-ken 2010M.25-7 1/4 Sq. Dr. Bit Socket 7mm Hex Length 25mm

Ko-ken 2010M.25-7 1/4 Sq. Dr. Bit Socket 7mm Hex Length 25mm

SKU: KK-2010M.25-7
MPN: 2010M.25-7

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Ko-ken 2010M.25-8 1/4 Sq. Dr. Bit Socket 8mm Hex Length 25mm

Ko-ken 2010M.25-8 1/4 Sq. Dr. Bit Socket 8mm Hex Length 25mm

SKU: KK-2010M.25-8
MPN: 2010M.25-8

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Ko-ken 2011M.50-3 1/4 Sq. Dr. Bit Socket 3mm Ballpoint Hex Length 50mm

Ko-ken 2011M.50-3 1/4 Sq. Dr. Bit Socket 3mm Ballpoint Hex Length 50mm

SKU: KK-2011M.50-3
MPN: 2011M.50-3

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Ko-ken 2011M.50-4 1/4 Sq. Dr. Bit Socket 4mm Ballpoint Hex Length 50mm

Ko-ken 2011M.50-4 1/4 Sq. Dr. Bit Socket 4mm Ballpoint Hex Length 50mm

SKU: KK-2011M.50-4
MPN: 2011M.50-4

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Ko-ken 2011M.50-5 1/4 Sq. Dr. Bit Socket 5mm Ballpoint Hex Length 50mm

Ko-ken 2011M.50-5 1/4 Sq. Dr. Bit Socket 5mm Ballpoint Hex Length 50mm

SKU: KK-2011M.50-5
MPN: 2011M.50-5

Save $2.36
Ko-ken 2011M.50-6 1/4 Sq. Dr. Bit Socket 6mm Ballpoint Hex Length 50mm

Ko-ken 2011M.50-6 1/4 Sq. Dr. Bit Socket 6mm Ballpoint Hex Length 50mm

SKU: KK-2011M.50-6
MPN: 2011M.50-6

Save $2.36