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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 3010MZ.75-12 3/8 Sq. Dr. Bit Socket 12mm 6 point Length 75mm Z-series

Ko-ken 3010MZ.75-12 3/8 Sq. Dr. Bit Socket 12mm 6 point Length 75mm Z-series

SKU: KK-3010MZ.75-12
MPN: 3010MZ.75-12

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Ko-ken 3010MZ.75-3 3/8 Sq. Dr. Bit Socket 3mm 6 point Length 75mm Z-series

Ko-ken 3010MZ.75-3 3/8 Sq. Dr. Bit Socket 3mm 6 point Length 75mm Z-series

SKU: KK-3010MZ.75-3
MPN: 3010MZ.75-3

Save $3.02
Ko-ken 3010MZ.75-4 3/8 Sq. Dr. Bit Socket 4mm 6 point Length 75mm Z-series

Ko-ken 3010MZ.75-4 3/8 Sq. Dr. Bit Socket 4mm 6 point Length 75mm Z-series

SKU: KK-3010MZ.75-4
MPN: 3010MZ.75-4

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Ko-ken 3011M.100-3 3/8 Sq. Dr. Bit Socket 3mm Ballpoint Hex Length 100mm

Ko-ken 3011M.100-3 3/8 Sq. Dr. Bit Socket 3mm Ballpoint Hex Length 100mm

SKU: KK-3011M.100-3
MPN: 3011M.100-3

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Ko-ken 3011M.100-4 3/8 Sq. Dr. Bit Socket 4mm Ballpoint Hex Length 100mm

Ko-ken 3011M.100-4 3/8 Sq. Dr. Bit Socket 4mm Ballpoint Hex Length 100mm

SKU: KK-3011M.100-4
MPN: 3011M.100-4

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Ko-ken 3011M.100-5 3/8 Sq. Dr. Bit Socket 5mm Ballpoint Hex Length 100mm

Ko-ken 3011M.100-5 3/8 Sq. Dr. Bit Socket 5mm Ballpoint Hex Length 100mm

SKU: KK-3011M.100-5
MPN: 3011M.100-5

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Ko-ken 3011M.100-6 3/8 Sq. Dr. Bit Socket 6mm Ballpoint Hex Length 100mm

Ko-ken 3011M.100-6 3/8 Sq. Dr. Bit Socket 6mm Ballpoint Hex Length 100mm

SKU: KK-3011M.100-6
MPN: 3011M.100-6

Save $2.92
Ko-ken 3011M.100-7 3/8 Sq. Dr. Bit Socket 7mm Ballpoint Hex Length 100mm

Ko-ken 3011M.100-7 3/8 Sq. Dr. Bit Socket 7mm Ballpoint Hex Length 100mm

SKU: KK-3011M.100-7
MPN: 3011M.100-7

Save $2.95
Ko-ken 3011M.100-8 3/8 Sq. Dr. Bit Socket 8mm Ballpoint Hex Length 100mm

Ko-ken 3011M.100-8 3/8 Sq. Dr. Bit Socket 8mm Ballpoint Hex Length 100mm

SKU: KK-3011M.100-8
MPN: 3011M.100-8

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Ko-ken 3011M.120-3 3/8 Sq. Dr. Bit Socket 3mm Ballpoint Hex Length 120mm

Ko-ken 3011M.120-3 3/8 Sq. Dr. Bit Socket 3mm Ballpoint Hex Length 120mm

SKU: KK-3011M.120-3
MPN: 3011M.120-3

Save $3.78
Ko-ken 3011M.120-4 3/8 Sq. Dr. Bit Socket 4mm Ballpoint Hex Length 120mm

Ko-ken 3011M.120-4 3/8 Sq. Dr. Bit Socket 4mm Ballpoint Hex Length 120mm

SKU: KK-3011M.120-4
MPN: 3011M.120-4

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Ko-ken 3011M.120-5 3/8 Sq. Dr. Bit Socket 5mm Ballpoint Hex Length 120mm

Ko-ken 3011M.120-5 3/8 Sq. Dr. Bit Socket 5mm Ballpoint Hex Length 120mm

SKU: KK-3011M.120-5
MPN: 3011M.120-5

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Ko-ken 3011M.120-6 3/8 Sq. Dr. Bit Socket 6mm Ballpoint Hex Length 120mm

Ko-ken 3011M.120-6 3/8 Sq. Dr. Bit Socket 6mm Ballpoint Hex Length 120mm

SKU: KK-3011M.120-6
MPN: 3011M.120-6

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Ko-ken 3011M.120-7 3/8 Sq. Dr. Bit Socket 7mm Ballpoint Hex Length 120mm

Ko-ken 3011M.120-7 3/8 Sq. Dr. Bit Socket 7mm Ballpoint Hex Length 120mm

SKU: KK-3011M.120-7
MPN: 3011M.120-7

Save $3.80
Ko-ken 3011M.120-8 3/8 Sq. Dr. Bit Socket 8mm Ballpoint Hex Length 120mm

Ko-ken 3011M.120-8 3/8 Sq. Dr. Bit Socket 8mm Ballpoint Hex Length 120mm

SKU: KK-3011M.120-8
MPN: 3011M.120-8

Save $3.80
Ko-ken 3011M.160-3 3/8 Sq. Dr. Bit Socket 3mm Ballpoint Hex Length 160mm

Ko-ken 3011M.160-3 3/8 Sq. Dr. Bit Socket 3mm Ballpoint Hex Length 160mm

SKU: KK-3011M.160-3
MPN: 3011M.160-3

Save $3.97
Ko-ken 3011M.160-4 3/8 Sq. Dr. Bit Socket 4mm Ballpoint Hex Length 160mm

Ko-ken 3011M.160-4 3/8 Sq. Dr. Bit Socket 4mm Ballpoint Hex Length 160mm

SKU: KK-3011M.160-4
MPN: 3011M.160-4

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Ko-ken 3011M.160-5 3/8 Sq. Dr. Bit Socket 5mm Ballpoint Hex Length 160mm

Ko-ken 3011M.160-5 3/8 Sq. Dr. Bit Socket 5mm Ballpoint Hex Length 160mm

SKU: KK-3011M.160-5
MPN: 3011M.160-5

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Ko-ken 3011M.160-6 3/8 Sq. Dr. Bit Socket 6mm Ballpoint Hex Length 160mm

Ko-ken 3011M.160-6 3/8 Sq. Dr. Bit Socket 6mm Ballpoint Hex Length 160mm

SKU: KK-3011M.160-6
MPN: 3011M.160-6

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Ko-ken 3011M.160-7 3/8 Sq. Dr. Bit Socket 7mm Ballpoint Hex Length 160mm

Ko-ken 3011M.160-7 3/8 Sq. Dr. Bit Socket 7mm Ballpoint Hex Length 160mm

SKU: KK-3011M.160-7
MPN: 3011M.160-7

Save $4
Ko-ken 3011M.160-8 3/8 Sq. Dr. Bit Socket 8mm Ballpoint Hex Length 160mm

Ko-ken 3011M.160-8 3/8 Sq. Dr. Bit Socket 8mm Ballpoint Hex Length 160mm

SKU: KK-3011M.160-8
MPN: 3011M.160-8

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Ko-ken 3011M.62-10 3/8 Sq. Dr. Bit Socket 10mm Ballpoint Hex Length 62mm

Ko-ken 3011M.62-10 3/8 Sq. Dr. Bit Socket 10mm Ballpoint Hex Length 62mm

SKU: KK-3011M.62-10
MPN: 3011M.62-10

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Ko-ken 3011M.62-12 3/8 Sq. Dr. Bit Socket 12mm Ballpoint Hex Length 62mm

Ko-ken 3011M.62-12 3/8 Sq. Dr. Bit Socket 12mm Ballpoint Hex Length 62mm

SKU: KK-3011M.62-12
MPN: 3011M.62-12

Save $3.10
Ko-ken 3011M.62-3 3/8 Sq. Dr. Bit Socket 3mm Ballpoint Hex Length 62mm

Ko-ken 3011M.62-3 3/8 Sq. Dr. Bit Socket 3mm Ballpoint Hex Length 62mm

SKU: KK-3011M.62-3
MPN: 3011M.62-3

Save $2.60