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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 4010M.160-4 1/2 Sq. Dr. Bit Socket 4mm Hex Length 160mm

Ko-ken 4010M.160-4 1/2 Sq. Dr. Bit Socket 4mm Hex Length 160mm

SKU: KK-4010M.160-4
MPN: 4010M.160-4

Save $3.01
Ko-ken 4010M.160-5 1/2 Sq. Dr. Bit Socket 5mm Hex Length 160mm

Ko-ken 4010M.160-5 1/2 Sq. Dr. Bit Socket 5mm Hex Length 160mm

SKU: KK-4010M.160-5
MPN: 4010M.160-5

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Ko-ken 4010M.160-6 1/2 Sq. Dr. Bit Socket 6mm Hex Length 160mm

Ko-ken 4010M.160-6 1/2 Sq. Dr. Bit Socket 6mm Hex Length 160mm

SKU: KK-4010M.160-6
MPN: 4010M.160-6

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Ko-ken 4010M.160-7 1/2 Sq. Dr. Bit Socket 7mm Hex Length 160mm

Ko-ken 4010M.160-7 1/2 Sq. Dr. Bit Socket 7mm Hex Length 160mm

SKU: KK-4010M.160-7
MPN: 4010M.160-7

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Ko-ken 4010M.160-8 1/2 Sq. Dr. Bit Socket 8mm Hex Length 160mm

Ko-ken 4010M.160-8 1/2 Sq. Dr. Bit Socket 8mm Hex Length 160mm

SKU: KK-4010M.160-8
MPN: 4010M.160-8

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Ko-ken 4020.120-M12 1/2 Sq. Dr. Bit Socket XZN M12 Triple Square Length 120mm

Ko-ken 4020.120-M12 1/2 Sq. Dr. Bit Socket XZN M12 Triple Square Length 120mm

SKU: KK-4020.120-M12
MPN: 4020.120-M12

Save $3.87
Ko-ken 4020.120-M14 1/2 Sq. Dr. Bit Socket XZN M14 Triple Square Length 120mm

Ko-ken 4020.120-M14 1/2 Sq. Dr. Bit Socket XZN M14 Triple Square Length 120mm

SKU: KK-4020.120-M14
MPN: 4020.120-M14

Save $4.53
Ko-ken 4020.120-M5 1/2 Sq. Dr. Bit Socket XZN M5 Triple Square Length 120mm

Ko-ken 4020.120-M5 1/2 Sq. Dr. Bit Socket XZN M5 Triple Square Length 120mm

SKU: KK-4020.120-M5
MPN: 4020.120-M5

Save $3.60
Ko-ken 4020.120-M6 1/2 Sq. Dr. Bit Socket XZN M6 Triple Square Length 120mm

Ko-ken 4020.120-M6 1/2 Sq. Dr. Bit Socket XZN M6 Triple Square Length 120mm

SKU: KK-4020.120-M6
MPN: 4020.120-M6

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Ko-ken 4020.120-M8 1/2 Sq. Dr. Bit Socket XZN M8 Triple Square Length 120mm

Ko-ken 4020.120-M8 1/2 Sq. Dr. Bit Socket XZN M8 Triple Square Length 120mm

SKU: KK-4020.120-M8
MPN: 4020.120-M8

Save $3.60
Ko-ken 4020.140-M10 1/2 Sq. Dr. Bit Socket XZN M10 Triple Square Length 140mm

Ko-ken 4020.140-M10 1/2 Sq. Dr. Bit Socket XZN M10 Triple Square Length 140mm

SKU: KK-4020.140-M10
MPN: 4020.140-M10

Save $4.32
Ko-ken 4020.140-M12 1/2 Sq. Dr. Bit Socket XZN M12 Triple Square Length 140mm

Ko-ken 4020.140-M12 1/2 Sq. Dr. Bit Socket XZN M12 Triple Square Length 140mm

SKU: KK-4020.140-M12
MPN: 4020.140-M12

Save $4.40
Ko-ken 4020.140-M14 1/2 Sq. Dr. Bit Socket XZN M14 Triple Square Length 140mm

Ko-ken 4020.140-M14 1/2 Sq. Dr. Bit Socket XZN M14 Triple Square Length 140mm

SKU: KK-4020.140-M14
MPN: 4020.140-M14

Save $4.73
Ko-ken 4020.140-M5 1/2 Sq. Dr. Bit Socket XZN M5 Triple Square Length 140mm

Ko-ken 4020.140-M5 1/2 Sq. Dr. Bit Socket XZN M5 Triple Square Length 140mm

SKU: KK-4020.140-M5
MPN: 4020.140-M5

Save $4.32
Ko-ken 4020.140-M6 1/2 Sq. Dr. Bit Socket XZN M6 Triple Square Length 140mm

Ko-ken 4020.140-M6 1/2 Sq. Dr. Bit Socket XZN M6 Triple Square Length 140mm

SKU: KK-4020.140-M6
MPN: 4020.140-M6

Save $4.32
Ko-ken 4020.140-M8 1/2 Sq. Dr. Bit Socket XZN M8 Triple Square Length 140mm

Ko-ken 4020.140-M8 1/2 Sq. Dr. Bit Socket XZN M8 Triple Square Length 140mm

SKU: KK-4020.140-M8
MPN: 4020.140-M8

Save $4.32
Ko-ken 4020.60-M10 1/2 Sq. Dr. Bit Socket XZN M10 Triple Square Length 60mm

Ko-ken 4020.60-M10 1/2 Sq. Dr. Bit Socket XZN M10 Triple Square Length 60mm

SKU: KK-4020.60-M10
MPN: 4020.60-M10

Save $3.10
Ko-ken 4020.60-M12 1/2 Sq. Dr. Bit Socket XZN M12 Triple Square Length 60mm

Ko-ken 4020.60-M12 1/2 Sq. Dr. Bit Socket XZN M12 Triple Square Length 60mm

SKU: KK-4020.60-M12
MPN: 4020.60-M12

Save $3.26
Ko-ken 4020.60-M14 1/2 Sq. Dr. Bit Socket XZN M14 Triple Square Length 60mm

Ko-ken 4020.60-M14 1/2 Sq. Dr. Bit Socket XZN M14 Triple Square Length 60mm

SKU: KK-4020.60-M14
MPN: 4020.60-M14

Save $3.68
Ko-ken 4020.60-M16 1/2 Sq. Dr. Bit Socket XZN M16 Triple Square Length 60mm

Ko-ken 4020.60-M16 1/2 Sq. Dr. Bit Socket XZN M16 Triple Square Length 60mm

SKU: KK-4020.60-M16
MPN: 4020.60-M16

Save $4.96
Ko-ken 4020.60-M18 1/2 Sq. Dr. Bit Socket XZN M18 Triple Square Length 60mm

Ko-ken 4020.60-M18 1/2 Sq. Dr. Bit Socket XZN M18 Triple Square Length 60mm

SKU: KK-4020.60-M18
MPN: 4020.60-M18

Save $5.07
Ko-ken 4020.60-M5 1/2 Sq. Dr. Bit Socket XZN M5 Triple Square Length 60mm

Ko-ken 4020.60-M5 1/2 Sq. Dr. Bit Socket XZN M5 Triple Square Length 60mm

SKU: KK-4020.60-M5
MPN: 4020.60-M5

Save $3
Ko-ken 4020.60-M6 1/2 Sq. Dr. Bit Socket XZN M6 Triple Square Length 60mm

Ko-ken 4020.60-M6 1/2 Sq. Dr. Bit Socket XZN M6 Triple Square Length 60mm

SKU: KK-4020.60-M6
MPN: 4020.60-M6

Save $3
Ko-ken 4020.60-M8 1/2 Sq. Dr. Bit Socket XZN M8 Triple Square Length 60mm

Ko-ken 4020.60-M8 1/2 Sq. Dr. Bit Socket XZN M8 Triple Square Length 60mm

SKU: KK-4020.60-M8
MPN: 4020.60-M8

Save $3.10