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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 4012A.60-1/2 1/2 Sq. Dr. Bit Socket 1/2 Hex Length 60mm

Ko-ken 4012A.60-1/2 1/2 Sq. Dr. Bit Socket 1/2 Hex Length 60mm

SKU: KK-4012A.60-1/2
MPN: 4012A.60-1/2

Save $3.29
Ko-ken 4012A.60-1/4 1/2 Sq. Dr. Bit Socket 1/4 Hex Length 60mm

Ko-ken 4012A.60-1/4 1/2 Sq. Dr. Bit Socket 1/4 Hex Length 60mm

SKU: KK-4012A.60-1/4
MPN: 4012A.60-1/4

Save $2.98
Ko-ken 4012A.60-11/32 1/2 Sq. Dr. Bit Socket 11/32 Hex Length 60mm

Ko-ken 4012A.60-11/32 1/2 Sq. Dr. Bit Socket 11/32 Hex Length 60mm

SKU: KK-4012A.60-11/32
MPN: 4012A.60-11/32

Save $3.06
Ko-ken 4012A.60-3/16 1/2 Sq. Dr. Bit Socket 3/16 Hex Length 60mm

Ko-ken 4012A.60-3/16 1/2 Sq. Dr. Bit Socket 3/16 Hex Length 60mm

SKU: KK-4012A.60-3/16
MPN: 4012A.60-3/16

Save $2.98
Ko-ken 4012A.60-3/4 1/2 Sq. Dr. Bit Socket 3/4 Hex Length 60mm

Ko-ken 4012A.60-3/4 1/2 Sq. Dr. Bit Socket 3/4 Hex Length 60mm

SKU: KK-4012A.60-3/4
MPN: 4012A.60-3/4

Save $3.55
Ko-ken 4012A.60-3/8 1/2 Sq. Dr. Bit Socket 3/8 Hex Length 60mm

Ko-ken 4012A.60-3/8 1/2 Sq. Dr. Bit Socket 3/8 Hex Length 60mm

SKU: KK-4012A.60-3/8
MPN: 4012A.60-3/8

Save $3.06
Ko-ken 4012A.60-5/16 1/2 Sq. Dr. Bit Socket 5/16 Hex Length 60mm

Ko-ken 4012A.60-5/16 1/2 Sq. Dr. Bit Socket 5/16 Hex Length 60mm

SKU: KK-4012A.60-5/16
MPN: 4012A.60-5/16

Save $2.98
Ko-ken 4012A.60-5/32 1/2 Sq. Dr. Bit Socket 5/32 Hex Length 60mm

Ko-ken 4012A.60-5/32 1/2 Sq. Dr. Bit Socket 5/32 Hex Length 60mm

SKU: KK-4012A.60-5/32
MPN: 4012A.60-5/32

Save $2.98
Ko-ken 4012A.60-5/8 1/2 Sq. Dr. Bit Socket 5/8 Hex Length 60mm

Ko-ken 4012A.60-5/8 1/2 Sq. Dr. Bit Socket 5/8 Hex Length 60mm

SKU: KK-4012A.60-5/8
MPN: 4012A.60-5/8

Save $3.47
Ko-ken 4012A.60-7/16 1/2 Sq. Dr. Bit Socket 7/16 Hex Length 60mm

Ko-ken 4012A.60-7/16 1/2 Sq. Dr. Bit Socket 7/16 Hex Length 60mm

SKU: KK-4012A.60-7/16
MPN: 4012A.60-7/16

Save $3.23
Ko-ken 4012A.60-7/32 1/2 Sq. Dr. Bit Socket 7/32 Hex Length 60mm

Ko-ken 4012A.60-7/32 1/2 Sq. Dr. Bit Socket 7/32 Hex Length 60mm

SKU: KK-4012A.60-7/32
MPN: 4012A.60-7/32

Save $2.98
Ko-ken 4012A.60-7/8 1/2 Sq. Dr. Bit Socket 7/8 Hex Length 60mm

Ko-ken 4012A.60-7/8 1/2 Sq. Dr. Bit Socket 7/8 Hex Length 60mm

SKU: KK-4012A.60-7/8
MPN: 4012A.60-7/8

Save $5.44
Ko-ken 4012A.60-9/16 1/2 Sq. Dr. Bit Socket 9/16 Hex Length 60mm

Ko-ken 4012A.60-9/16 1/2 Sq. Dr. Bit Socket 9/16 Hex Length 60mm

SKU: KK-4012A.60-9/16
MPN: 4012A.60-9/16

Save $3.29
Ko-ken 4012A.60-9/32 1/2 Sq. Dr. Bit Socket 9/32 Hex Length 60mm

Ko-ken 4012A.60-9/32 1/2 Sq. Dr. Bit Socket 9/32 Hex Length 60mm

SKU: KK-4012A.60-9/32
MPN: 4012A.60-9/32

Save $2.98
Ko-ken 4012A.75-1/2 1/2 Sq. Dr. Bit Socket 1/2 Hex Length 75mm

Ko-ken 4012A.75-1/2 1/2 Sq. Dr. Bit Socket 1/2 Hex Length 75mm

SKU: KK-4012A.75-1/2
MPN: 4012A.75-1/2

Save $3.56
Ko-ken 4012A.75-1/4 1/2 Sq. Dr. Bit Socket 1/4 Hex Length 75mm

Ko-ken 4012A.75-1/4 1/2 Sq. Dr. Bit Socket 1/4 Hex Length 75mm

SKU: KK-4012A.75-1/4
MPN: 4012A.75-1/4

Save $3.21
Ko-ken 4012A.75-11/32 1/2 Sq. Dr. Bit Socket 11/32 Hex Length 75mm

Ko-ken 4012A.75-11/32 1/2 Sq. Dr. Bit Socket 11/32 Hex Length 75mm

SKU: KK-4012A.75-11/32
MPN: 4012A.75-11/32

Save $3.33
Ko-ken 4012A.75-3/16 1/2 Sq. Dr. Bit Socket 3/16 Hex Length 75mm

Ko-ken 4012A.75-3/16 1/2 Sq. Dr. Bit Socket 3/16 Hex Length 75mm

SKU: KK-4012A.75-3/16
MPN: 4012A.75-3/16

Save $3.21
Ko-ken 4012A.75-3/4 1/2 Sq. Dr. Bit Socket 3/4 Hex Length 75mm

Ko-ken 4012A.75-3/4 1/2 Sq. Dr. Bit Socket 3/4 Hex Length 75mm

SKU: KK-4012A.75-3/4
MPN: 4012A.75-3/4

Save $4.24
Ko-ken 4012A.75-3/8 1/2 Sq. Dr. Bit Socket 3/8 Hex Length 75mm

Ko-ken 4012A.75-3/8 1/2 Sq. Dr. Bit Socket 3/8 Hex Length 75mm

SKU: KK-4012A.75-3/8
MPN: 4012A.75-3/8

Save $3.33
Ko-ken 4012A.75-5/16 1/2 Sq. Dr. Bit Socket 5/16 Hex Length 75mm

Ko-ken 4012A.75-5/16 1/2 Sq. Dr. Bit Socket 5/16 Hex Length 75mm

SKU: KK-4012A.75-5/16
MPN: 4012A.75-5/16

Save $3.21
Ko-ken 4012A.75-5/32 1/2 Sq. Dr. Bit Socket 5/32 Hex Length 75mm

Ko-ken 4012A.75-5/32 1/2 Sq. Dr. Bit Socket 5/32 Hex Length 75mm

SKU: KK-4012A.75-5/32
MPN: 4012A.75-5/32

Save $3.21
Ko-ken 4012A.75-5/8 1/2 Sq. Dr. Bit Socket 5/8 Hex Length 75mm

Ko-ken 4012A.75-5/8 1/2 Sq. Dr. Bit Socket 5/8 Hex Length 75mm

SKU: KK-4012A.75-5/8
MPN: 4012A.75-5/8

Save $3.92
Ko-ken 4012A.75-7/16 1/2 Sq. Dr. Bit Socket 7/16 Hex Length 75mm

Ko-ken 4012A.75-7/16 1/2 Sq. Dr. Bit Socket 7/16 Hex Length 75mm

SKU: KK-4012A.75-7/16
MPN: 4012A.75-7/16

Save $3.50