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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 3012M.62-7 3/8 Sq. Dr. Bit Socket 7mm Hex Length 62mm

Ko-ken 3012M.62-7 3/8 Sq. Dr. Bit Socket 7mm Hex Length 62mm

SKU: KK-3012M.62-7
MPN: 3012M.62-7

Save $2.71
Ko-ken 3012M.62-8 3/8 Sq. Dr. Bit Socket 8mm Hex Length 62mm

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

SKU: KK-3012M.62-8
MPN: 3012M.62-8

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Ko-ken 3012M.62-9 3/8 Sq. Dr. Bit Socket 9mm Hex Length 62mm

Ko-ken 3012M.62-9 3/8 Sq. Dr. Bit Socket 9mm Hex Length 62mm

SKU: KK-3012M.62-9
MPN: 3012M.62-9

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Ko-ken 3012M.75-10 3/8 Sq. Dr. Bit Socket 10mm Hex Length 75mm

Ko-ken 3012M.75-10 3/8 Sq. Dr. Bit Socket 10mm Hex Length 75mm

SKU: KK-3012M.75-10
MPN: 3012M.75-10

Save $3.03
Ko-ken 3012M.75-11 3/8 Sq. Dr. Bit Socket 11mm Hex Length 75mm

Ko-ken 3012M.75-11 3/8 Sq. Dr. Bit Socket 11mm Hex Length 75mm

SKU: KK-3012M.75-11
MPN: 3012M.75-11

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Ko-ken 3012M.75-12 3/8 Sq. Dr. Bit Socket 12mm Hex Length 75mm

Ko-ken 3012M.75-12 3/8 Sq. Dr. Bit Socket 12mm Hex Length 75mm

SKU: KK-3012M.75-12
MPN: 3012M.75-12

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Ko-ken 3012M.75-13 3/8 Sq. Dr. Bit Socket 13mm Hex Length 75mm

Ko-ken 3012M.75-13 3/8 Sq. Dr. Bit Socket 13mm Hex Length 75mm

SKU: KK-3012M.75-13
MPN: 3012M.75-13

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Ko-ken 3012M.75-14 3/8 Sq. Dr. Bit Socket 14mm Hex Length 75mm

Ko-ken 3012M.75-14 3/8 Sq. Dr. Bit Socket 14mm Hex Length 75mm

SKU: KK-3012M.75-14
MPN: 3012M.75-14

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Ko-ken 3012M.75-3 3/8 Sq. Dr. Bit Socket 3mm Hex Length 75mm

Ko-ken 3012M.75-3 3/8 Sq. Dr. Bit Socket 3mm Hex Length 75mm

SKU: KK-3012M.75-3
MPN: 3012M.75-3

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Ko-ken 3012M.75-4 3/8 Sq. Dr. Bit Socket 4mm Hex Length 75mm

Ko-ken 3012M.75-4 3/8 Sq. Dr. Bit Socket 4mm Hex Length 75mm

SKU: KK-3012M.75-4
MPN: 3012M.75-4

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Ko-ken 3012M.75-5 3/8 Sq. Dr. Bit Socket 5mm Hex Length 75mm

Ko-ken 3012M.75-5 3/8 Sq. Dr. Bit Socket 5mm Hex Length 75mm

SKU: KK-3012M.75-5
MPN: 3012M.75-5

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Ko-ken 3012M.75-6 3/8 Sq. Dr. Bit Socket 6mm Hex Length 75mm

Ko-ken 3012M.75-6 3/8 Sq. Dr. Bit Socket 6mm Hex Length 75mm

SKU: KK-3012M.75-6
MPN: 3012M.75-6

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Ko-ken 3012M.75-7 3/8 Sq. Dr. Bit Socket 7mm Hex Length 75mm

Ko-ken 3012M.75-7 3/8 Sq. Dr. Bit Socket 7mm Hex Length 75mm

SKU: KK-3012M.75-7
MPN: 3012M.75-7

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Ko-ken 3012M.75-8 3/8 Sq. Dr. Bit Socket 8mm Hex Length 75mm

Ko-ken 3012M.75-8 3/8 Sq. Dr. Bit Socket 8mm Hex Length 75mm

SKU: KK-3012M.75-8
MPN: 3012M.75-8

Save $2.92
Ko-ken 3012M.75-9 3/8 Sq. Dr. Bit Socket 9mm Hex Length 75mm

Ko-ken 3012M.75-9 3/8 Sq. Dr. Bit Socket 9mm Hex Length 75mm

SKU: KK-3012M.75-9
MPN: 3012M.75-9

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Ko-ken 3020.100-M10 3/8 Sq. Dr. Bit Socket XZN M10 Triple Square Length 100mm

Ko-ken 3020.100-M10 3/8 Sq. Dr. Bit Socket XZN M10 Triple Square Length 100mm

SKU: KK-3020.100-M10
MPN: 3020.100-M10

Save $3.46
Ko-ken 3020.100-M12 3/8 Sq. Dr. Bit Socket XZN M12 Triple Square Length 100mm

Ko-ken 3020.100-M12 3/8 Sq. Dr. Bit Socket XZN M12 Triple Square Length 100mm

SKU: KK-3020.100-M12
MPN: 3020.100-M12

Save $3.62
Ko-ken 3020.100-M14 3/8 Sq. Dr. Bit Socket XZN M14 Triple Square Length 100mm

Ko-ken 3020.100-M14 3/8 Sq. Dr. Bit Socket XZN M14 Triple Square Length 100mm

SKU: KK-3020.100-M14
MPN: 3020.100-M14

Save $4.19
Ko-ken 3020.100-M4 3/8 Sq. Dr. Bit Socket XZN M4 Triple Square Length 100mm

Ko-ken 3020.100-M4 3/8 Sq. Dr. Bit Socket XZN M4 Triple Square Length 100mm

SKU: KK-3020.100-M4
MPN: 3020.100-M4

Save $3.23
Ko-ken 3020.100-M5 3/8 Sq. Dr. Bit Socket XZN M5 Triple Square Length 100mm

Ko-ken 3020.100-M5 3/8 Sq. Dr. Bit Socket XZN M5 Triple Square Length 100mm

SKU: KK-3020.100-M5
MPN: 3020.100-M5

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Ko-ken 3020.100-M6 3/8 Sq. Dr. Bit Socket XZN M6 Triple Square Length 100mm

Ko-ken 3020.100-M6 3/8 Sq. Dr. Bit Socket XZN M6 Triple Square Length 100mm

SKU: KK-3020.100-M6
MPN: 3020.100-M6

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Ko-ken 3020.100-M8 3/8 Sq. Dr. Bit Socket XZN M8 Triple Square Length 100mm

Ko-ken 3020.100-M8 3/8 Sq. Dr. Bit Socket XZN M8 Triple Square Length 100mm

SKU: KK-3020.100-M8
MPN: 3020.100-M8

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Ko-ken 3020.120-M10 3/8 Sq. Dr. Bit Socket XZN M10 Triple Square Length 120mm

Ko-ken 3020.120-M10 3/8 Sq. Dr. Bit Socket XZN M10 Triple Square Length 120mm

SKU: KK-3020.120-M10
MPN: 3020.120-M10

Save $3.59
Ko-ken 3020.120-M12 3/8 Sq. Dr. Bit Socket XZN M12 Triple Square Length 120mm

Ko-ken 3020.120-M12 3/8 Sq. Dr. Bit Socket XZN M12 Triple Square Length 120mm

SKU: KK-3020.120-M12
MPN: 3020.120-M12

Save $3.87