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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 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

Save $2.51
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
Ko-ken 3010M.100-10 3/8 Sq. Dr. Bit Socket 10mm Hex Length 100mm

Ko-ken 3010M.100-10 3/8 Sq. Dr. Bit Socket 10mm Hex Length 100mm

SKU: KK-3010M.100-10
MPN: 3010M.100-10

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Ko-ken 3010M.100-13 3/8 Sq. Dr. Bit Socket 13mm Hex Length 100mm

Ko-ken 3010M.100-13 3/8 Sq. Dr. Bit Socket 13mm Hex Length 100mm

SKU: KK-3010M.100-13
MPN: 3010M.100-13

Save $3.32
Ko-ken 3010M.100-14 3/8 Sq. Dr. Bit Socket 14mm Hex Length 100mm

Ko-ken 3010M.100-14 3/8 Sq. Dr. Bit Socket 14mm Hex Length 100mm

SKU: KK-3010M.100-14
MPN: 3010M.100-14

Save $3.32
Ko-ken 3010M.100-3 3/8 Sq. Dr. Bit Socket 3mm Hex Length 100mm

Ko-ken 3010M.100-3 3/8 Sq. Dr. Bit Socket 3mm Hex Length 100mm

SKU: KK-3010M.100-3
MPN: 3010M.100-3

Save $2.44
Ko-ken 3010M.100-4 3/8 Sq. Dr. Bit Socket 4mm Hex Length 100mm

Ko-ken 3010M.100-4 3/8 Sq. Dr. Bit Socket 4mm Hex Length 100mm

SKU: KK-3010M.100-4
MPN: 3010M.100-4

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Ko-ken 3010M.100-5 3/8 Sq. Dr. Bit Socket 5mm Hex Length 100mm

Ko-ken 3010M.100-5 3/8 Sq. Dr. Bit Socket 5mm Hex Length 100mm

SKU: KK-3010M.100-5
MPN: 3010M.100-5

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Ko-ken 3010M.100-6 3/8 Sq. Dr. Bit Socket 6mm Hex Length 100mm

Ko-ken 3010M.100-6 3/8 Sq. Dr. Bit Socket 6mm Hex Length 100mm

SKU: KK-3010M.100-6
MPN: 3010M.100-6

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Ko-ken 3010M.100-7 3/8 Sq. Dr. Bit Socket 7mm Hex Length 100mm

Ko-ken 3010M.100-7 3/8 Sq. Dr. Bit Socket 7mm Hex Length 100mm

SKU: KK-3010M.100-7
MPN: 3010M.100-7

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Ko-ken 3010M.100-8 3/8 Sq. Dr. Bit Socket 8mm Hex Length 100mm

Ko-ken 3010M.100-8 3/8 Sq. Dr. Bit Socket 8mm Hex Length 100mm

SKU: KK-3010M.100-8
MPN: 3010M.100-8

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Ko-ken 3010M.100-9 3/8 Sq. Dr. Bit Socket 9mm Hex Length 100mm

Ko-ken 3010M.100-9 3/8 Sq. Dr. Bit Socket 9mm Hex Length 100mm

SKU: KK-3010M.100-9
MPN: 3010M.100-9

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Ko-ken 3010M.160-10 3/8 Sq. Dr. Bit Socket 10mm Hex Length 160mm

Ko-ken 3010M.160-10 3/8 Sq. Dr. Bit Socket 10mm Hex Length 160mm

SKU: KK-3010M.160-10
MPN: 3010M.160-10

Save $3.33
Ko-ken 3010M.160-11 3/8 Sq. Dr. Bit Socket 11mm Hex Length 160mm

Ko-ken 3010M.160-11 3/8 Sq. Dr. Bit Socket 11mm Hex Length 160mm

SKU: KK-3010M.160-11
MPN: 3010M.160-11

Save $3.56
Ko-ken 3010M.160-12 3/8 Sq. Dr. Bit Socket 12mm Hex Length 160mm

Ko-ken 3010M.160-12 3/8 Sq. Dr. Bit Socket 12mm Hex Length 160mm

SKU: KK-3010M.160-12
MPN: 3010M.160-12

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Ko-ken 3010M.160-13 3/8 Sq. Dr. Bit Socket 13mm Hex Length 160mm

Ko-ken 3010M.160-13 3/8 Sq. Dr. Bit Socket 13mm Hex Length 160mm

SKU: KK-3010M.160-13
MPN: 3010M.160-13

Save $4.08
Ko-ken 3010M.160-14 3/8 Sq. Dr. Bit Socket 14mm Hex Length 160mm

Ko-ken 3010M.160-14 3/8 Sq. Dr. Bit Socket 14mm Hex Length 160mm

SKU: KK-3010M.160-14
MPN: 3010M.160-14

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Ko-ken 3010M.160-3 3/8 Sq. Dr. Bit Socket 3mm Hex Length 160mm

Ko-ken 3010M.160-3 3/8 Sq. Dr. Bit Socket 3mm Hex Length 160mm

SKU: KK-3010M.160-3
MPN: 3010M.160-3

Save $2.95
Ko-ken 3010M.160-6 3/8 Sq. Dr. Bit Socket 6mm Hex Length 160mm

Ko-ken 3010M.160-6 3/8 Sq. Dr. Bit Socket 6mm Hex Length 160mm

SKU: KK-3010M.160-6
MPN: 3010M.160-6

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Ko-ken 3010M.160-7 3/8 Sq. Dr. Bit Socket 7mm Hex Length 160mm

Ko-ken 3010M.160-7 3/8 Sq. Dr. Bit Socket 7mm Hex Length 160mm

SKU: KK-3010M.160-7
MPN: 3010M.160-7

Save $3.02
Ko-ken 3010M.160-8 3/8 Sq. Dr. Bit Socket 8mm Hex Length 160mm

Ko-ken 3010M.160-8 3/8 Sq. Dr. Bit Socket 8mm Hex Length 160mm

SKU: KK-3010M.160-8
MPN: 3010M.160-8

Save $3.02
Ko-ken 3010M.160-9 3/8 Sq. Dr. Bit Socket 9mm Hex Length 160mm

Ko-ken 3010M.160-9 3/8 Sq. Dr. Bit Socket 9mm Hex Length 160mm

SKU: KK-3010M.160-9
MPN: 3010M.160-9

Save $3.33