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KK Hand Tools

Freer Tool & Supply is your trusted, ISO-certified source for Ko-Ken hand tools—delivering the complete lineup of sockets, ratchets, breaker bars, extension bars, and specialty tools engineered for professional results. Every Ko-Ken hand tool is crafted from high-grade chrome vanadium steel and undergoes precision heat treatment, ensuring exceptional durability and long-term performance in demanding industrial and automotive environments.


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.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

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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

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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

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Ko-ken 2430M-3 1/4 Sq. Dr. Universal Bit Socket 3mm Hex Length 40mm

Ko-ken 2430M-3 1/4 Sq. Dr. Universal Bit Socket 3mm Hex Length 40mm

SKU: KK-2430M-3
MPN: 2430M-3

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Ko-ken 2430M-4 1/4 Sq. Dr. Universal Bit Socket 4mm Hex Length 40mm

Ko-ken 2430M-4 1/4 Sq. Dr. Universal Bit Socket 4mm Hex Length 40mm

SKU: KK-2430M-4
MPN: 2430M-4

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Ko-ken 2430M-5 1/4 Sq. Dr. Universal Bit Socket 5mm Hex Length 40mm

Ko-ken 2430M-5 1/4 Sq. Dr. Universal Bit Socket 5mm Hex Length 40mm

SKU: KK-2430M-5
MPN: 2430M-5

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Ko-ken 2430M-6 1/4 Sq. Dr. Universal Bit Socket 6mm Hex Length 40mm

Ko-ken 2430M-6 1/4 Sq. Dr. Universal Bit Socket 6mm Hex Length 40mm

SKU: KK-2430M-6
MPN: 2430M-6

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Ko-ken 3010A.50-1/2 3/8 Sq. Dr. Bit Socket 1/8 Hex Length 50mm

Ko-ken 3010A.50-1/2 3/8 Sq. Dr. Bit Socket 1/8 Hex Length 50mm

SKU: KK-3010A.50-1/2
MPN: 3010A.50-1/2

Save $3.11
Ko-ken 3010A.50-1/4 3/8 Sq. Dr. Bit Socket 1/8 Hex Length 50mm

Ko-ken 3010A.50-1/4 3/8 Sq. Dr. Bit Socket 1/8 Hex Length 50mm

SKU: KK-3010A.50-1/4
MPN: 3010A.50-1/4

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Ko-ken 3010A.50-1/8 3/8 Sq. Dr. Bit Socket 1/8 Hex Length 50mm

Ko-ken 3010A.50-1/8 3/8 Sq. Dr. Bit Socket 1/8 Hex Length 50mm

SKU: KK-3010A.50-1/8
MPN: 3010A.50-1/8

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Ko-ken 3010A.50-11/32 3/8 Sq. Dr. Bit Socket 1/8 Hex Length 50mm

Ko-ken 3010A.50-11/32 3/8 Sq. Dr. Bit Socket 1/8 Hex Length 50mm

SKU: KK-3010A.50-11/32
MPN: 3010A.50-11/32

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Ko-ken 3010A.50-3/16 3/8 Sq. Dr. Bit Socket 1/8 Hex Length 50mm

Ko-ken 3010A.50-3/16 3/8 Sq. Dr. Bit Socket 1/8 Hex Length 50mm

SKU: KK-3010A.50-3/16
MPN: 3010A.50-3/16

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Ko-ken 3010A.50-3/8 3/8 Sq. Dr. Bit Socket 1/8 Hex Length 50mm

Ko-ken 3010A.50-3/8 3/8 Sq. Dr. Bit Socket 1/8 Hex Length 50mm

SKU: KK-3010A.50-3/8
MPN: 3010A.50-3/8

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Ko-ken 3010A.50-5/16 3/8 Sq. Dr. Bit Socket 1/8 Hex Length 50mm

Ko-ken 3010A.50-5/16 3/8 Sq. Dr. Bit Socket 1/8 Hex Length 50mm

SKU: KK-3010A.50-5/16
MPN: 3010A.50-5/16

Save $2.59
Ko-ken 3010A.50-5/32 3/8 Sq. Dr. Bit Socket 1/8 Hex Length 50mm

Ko-ken 3010A.50-5/32 3/8 Sq. Dr. Bit Socket 1/8 Hex Length 50mm

SKU: KK-3010A.50-5/32
MPN: 3010A.50-5/32

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Ko-ken 3010A.50-7/16 3/8 Sq. Dr. Bit Socket 1/8 Hex Length 50mm

Ko-ken 3010A.50-7/16 3/8 Sq. Dr. Bit Socket 1/8 Hex Length 50mm

SKU: KK-3010A.50-7/16
MPN: 3010A.50-7/16

Save $2.81
Ko-ken 3010A.50-7/32 3/8 Sq. Dr. Bit Socket 1/8 Hex Length 50mm

Ko-ken 3010A.50-7/32 3/8 Sq. Dr. Bit Socket 1/8 Hex Length 50mm

SKU: KK-3010A.50-7/32
MPN: 3010A.50-7/32

Save $2.51
Ko-ken 3010A.50-9/32 3/8 Sq. Dr. Bit Socket 1/8 Hex Length 50mm

Ko-ken 3010A.50-9/32 3/8 Sq. Dr. Bit Socket 1/8 Hex Length 50mm

SKU: KK-3010A.50-9/32
MPN: 3010A.50-9/32

Save $2.59