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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 6400A-1.9/16 3/4 Sq. Dr. Socket 1.9/16 6 point Length 59mm

Ko-ken 6400A-1.9/16 3/4 Sq. Dr. Socket 1.9/16 6 point Length 59mm

SKU: KK-6400A-1.9/16
MPN: 6400A-1.9/16

Save $8.69
Ko-ken 6400A-11/16 3/4 Sq. Dr. Socket 11/16 6 point Length 50mm

Ko-ken 6400A-11/16 3/4 Sq. Dr. Socket 11/16 6 point Length 50mm

SKU: KK-6400A-11/16
MPN: 6400A-11/16

Save $4.34
Ko-ken 6400A-13/16 3/4 Sq. Dr. Socket 13/16 6 point Length 50mm

Ko-ken 6400A-13/16 3/4 Sq. Dr. Socket 13/16 6 point Length 50mm

SKU: KK-6400A-13/16
MPN: 6400A-13/16

Save $4.34
Ko-ken 6400A-15/16 3/4 Sq. Dr. Socket 15/16 6 point Length 50mm

Ko-ken 6400A-15/16 3/4 Sq. Dr. Socket 15/16 6 point Length 50mm

SKU: KK-6400A-15/16
MPN: 6400A-15/16

Save $4.34
Ko-ken 6400A-2 3/4 Sq. Dr. Socket 2 6 point Length 68mm

Ko-ken 6400A-2 3/4 Sq. Dr. Socket 2 6 point Length 68mm

SKU: KK-6400A-2
MPN: 6400A-2

Save $14.37
Ko-ken 6400A-2.1/16 3/4 Sq. Dr. Socket 2.1/16 6 point Length 72mm

Ko-ken 6400A-2.1/16 3/4 Sq. Dr. Socket 2.1/16 6 point Length 72mm

SKU: KK-6400A-2.1/16
MPN: 6400A-2.1/16

Save $16.89
Ko-ken 6400A-2.1/2 3/4 Sq. Dr. Socket 2.1/2 6 point Length 76mm

Ko-ken 6400A-2.1/2 3/4 Sq. Dr. Socket 2.1/2 6 point Length 76mm

SKU: KK-6400A-2.1/2
MPN: 6400A-2.1/2

Save $23.71
Ko-ken 6400A-2.1/4 3/4 Sq. Dr. Socket 2.1/4 6 point Length 72mm

Ko-ken 6400A-2.1/4 3/4 Sq. Dr. Socket 2.1/4 6 point Length 72mm

SKU: KK-6400A-2.1/4
MPN: 6400A-2.1/4

Save $17.73
Ko-ken 6400A-2.1/8 3/4 Sq. Dr. Socket 2.1/8 6 point Length 72mm

Ko-ken 6400A-2.1/8 3/4 Sq. Dr. Socket 2.1/8 6 point Length 72mm

SKU: KK-6400A-2.1/8
MPN: 6400A-2.1/8

Save $16.89
Ko-ken 6400A-2.11/16 3/4 Sq. Dr. Socket 2.11/16 6 point Length 80mm

Ko-ken 6400A-2.11/16 3/4 Sq. Dr. Socket 2.11/16 6 point Length 80mm

SKU: KK-6400A-2.11/16
MPN: 6400A-2.11/16

Save $28.53
Ko-ken 6400A-2.13/16 3/4 Sq. Dr. Socket 2.13/16 6 point Length 84mm

Ko-ken 6400A-2.13/16 3/4 Sq. Dr. Socket 2.13/16 6 point Length 84mm

SKU: KK-6400A-2.13/16
MPN: 6400A-2.13/16

Save $30.32
Ko-ken 6400A-2.15/16 3/4 Sq. Dr. Socket 2.15/16 6 point Length 86mm

Ko-ken 6400A-2.15/16 3/4 Sq. Dr. Socket 2.15/16 6 point Length 86mm

SKU: KK-6400A-2.15/16
MPN: 6400A-2.15/16

Save $35.25
Ko-ken 6400A-2.3/16 3/4 Sq. Dr. Socket 2.3/16 6 point Length 72mm

Ko-ken 6400A-2.3/16 3/4 Sq. Dr. Socket 2.3/16 6 point Length 72mm

SKU: KK-6400A-2.3/16
MPN: 6400A-2.3/16

Save $17.73
Ko-ken 6400A-2.3/4 3/4 Sq. Dr. Socket 2.3/4 6 point Length 84mm

Ko-ken 6400A-2.3/4 3/4 Sq. Dr. Socket 2.3/4 6 point Length 84mm

SKU: KK-6400A-2.3/4
MPN: 6400A-2.3/4

Save $28.53
Ko-ken 6400A-2.3/8 3/4 Sq. Dr. Socket 2.3/8 6 point Length 76mm

Ko-ken 6400A-2.3/8 3/4 Sq. Dr. Socket 2.3/8 6 point Length 76mm

SKU: KK-6400A-2.3/8
MPN: 6400A-2.3/8

Save $22.35
Ko-ken 6400A-2.5/16 3/4 Sq. Dr. Socket 2.5/16 6 point Length 72mm

Ko-ken 6400A-2.5/16 3/4 Sq. Dr. Socket 2.5/16 6 point Length 72mm

SKU: KK-6400A-2.5/16
MPN: 6400A-2.5/16

Save $19.30
Ko-ken 6400A-2.5/8 3/4 Sq. Dr. Socket 2.5/8 6 point Length 80mm

Ko-ken 6400A-2.5/8 3/4 Sq. Dr. Socket 2.5/8 6 point Length 80mm

SKU: KK-6400A-2.5/8
MPN: 6400A-2.5/8

Save $28.32
Ko-ken 6400A-2.7/16 3/4 Sq. Dr. Socket 2.7/16 6 point Length 76mm

Ko-ken 6400A-2.7/16 3/4 Sq. Dr. Socket 2.7/16 6 point Length 76mm

SKU: KK-6400A-2.7/16
MPN: 6400A-2.7/16

Save $23.71
Ko-ken 6400A-2.7/8 3/4 Sq. Dr. Socket 2.7/8 6 point Length 84mm

Ko-ken 6400A-2.7/8 3/4 Sq. Dr. Socket 2.7/8 6 point Length 84mm

SKU: KK-6400A-2.7/8
MPN: 6400A-2.7/8

Save $30.32
Ko-ken 6400A-2.9/16 3/4 Sq. Dr. Socket 2.9/16 6 point Length 80mm

Ko-ken 6400A-2.9/16 3/4 Sq. Dr. Socket 2.9/16 6 point Length 80mm

SKU: KK-6400A-2.9/16
MPN: 6400A-2.9/16

Save $24.76
Ko-ken 6400A-25/32 3/4 Sq. Dr. Socket 25/32 6 point Length 50mm

Ko-ken 6400A-25/32 3/4 Sq. Dr. Socket 25/32 6 point Length 50mm

SKU: KK-6400A-25/32
MPN: 6400A-25/32

Save $4.34
Ko-ken 6400A-3 3/4 Sq. Dr. Socket 3 6 point Length 86mm

Ko-ken 6400A-3 3/4 Sq. Dr. Socket 3 6 point Length 86mm

SKU: KK-6400A-3
MPN: 6400A-3

Save $39.66
Ko-ken 6400A-3.1/8 3/4 Sq. Dr. Socket 3.1/8 6 point Length 90mm

Ko-ken 6400A-3.1/8 3/4 Sq. Dr. Socket 3.1/8 6 point Length 90mm

SKU: KK-6400A-3.1/8
MPN: 6400A-3.1/8

Save $40.39
Ko-ken 6400A-3/4 3/4 Sq. Dr. Socket 3/4 6 point Length 50mm

Ko-ken 6400A-3/4 3/4 Sq. Dr. Socket 3/4 6 point Length 50mm

SKU: KK-6400A-3/4
MPN: 6400A-3/4

Save $4.34