Cart 0

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 6400M-75 3/4 Sq. Dr. Socket 75mm 6 point Length 86mm

Ko-ken 6400M-75 3/4 Sq. Dr. Socket 75mm 6 point Length 86mm

SKU: KK-6400M-75
MPN: 6400M-75

Save $32
Ko-ken 6400M-78 3/4 Sq. Dr. Socket 78mm 6 point Length 86mm

Ko-ken 6400M-78 3/4 Sq. Dr. Socket 78mm 6 point Length 86mm

SKU: KK-6400M-78
MPN: 6400M-78

Save $35.98
Ko-ken 6400M-80 3/4 Sq. Dr. Socket 80mm 6 point Length 90mm

Ko-ken 6400M-80 3/4 Sq. Dr. Socket 80mm 6 point Length 90mm

SKU: KK-6400M-80
MPN: 6400M-80

Save $36.72
Ko-ken 6400M-85 3/4 Sq. Dr. Socket 85mm 6 point Length 90mm

Ko-ken 6400M-85 3/4 Sq. Dr. Socket 85mm 6 point Length 90mm

SKU: KK-6400M-85
MPN: 6400M-85

Save $39.24
Ko-ken 6405M-78 3/4 Sq. Dr. Socket 78mm 12 point Length 86mm

Ko-ken 6405M-78 3/4 Sq. Dr. Socket 78mm 12 point Length 86mm

SKU: KK-6405M-78
MPN: 6405M-78

Save $35.98
Ko-ken 8400A-1.1/2 1 Sq. Dr. Socket 1.1/2 6 point Length 65mm

Ko-ken 8400A-1.1/2 1 Sq. Dr. Socket 1.1/2 6 point Length 65mm

SKU: KK-8400A-1.1/2
MPN: 8400A-1.1/2

Save $11.01
Ko-ken 8400A-1.1/4 1 Sq. Dr. Socket 1.1/4 6 point Length 65mm

Ko-ken 8400A-1.1/4 1 Sq. Dr. Socket 1.1/4 6 point Length 65mm

SKU: KK-8400A-1.1/4
MPN: 8400A-1.1/4

Save $11.01
Ko-ken 8400A-1.11/16 1 Sq. Dr. Socket 1.11/16 6 point Length 68mm

Ko-ken 8400A-1.11/16 1 Sq. Dr. Socket 1.11/16 6 point Length 68mm

SKU: KK-8400A-1.11/16
MPN: 8400A-1.11/16

Save $15.84
Ko-ken 8400A-1.13/16 1 Sq. Dr. Socket 1.13/16 6 point Length 72mm

Ko-ken 8400A-1.13/16 1 Sq. Dr. Socket 1.13/16 6 point Length 72mm

SKU: KK-8400A-1.13/16
MPN: 8400A-1.13/16

Save $15.84
Ko-ken 8400A-1.15/16 1 Sq. Dr. Socket 1.15/16 6 point Length 72mm

Ko-ken 8400A-1.15/16 1 Sq. Dr. Socket 1.15/16 6 point Length 72mm

SKU: KK-8400A-1.15/16
MPN: 8400A-1.15/16

Save $17.63
Ko-ken 8400A-1.3/16 1 Sq. Dr. Socket 1.3/16 6 point Length 65mm

Ko-ken 8400A-1.3/16 1 Sq. Dr. Socket 1.3/16 6 point Length 65mm

SKU: KK-8400A-1.3/16
MPN: 8400A-1.3/16

Save $11.01
Ko-ken 8400A-1.3/4 1 Sq. Dr. Socket 1.3/4 6 point Length 68mm

Ko-ken 8400A-1.3/4 1 Sq. Dr. Socket 1.3/4 6 point Length 68mm

SKU: KK-8400A-1.3/4
MPN: 8400A-1.3/4

Save $15.84
Ko-ken 8400A-1.3/8 1 Sq. Dr. Socket 1.3/8 6 point Length 65mm

Ko-ken 8400A-1.3/8 1 Sq. Dr. Socket 1.3/8 6 point Length 65mm

SKU: KK-8400A-1.3/8
MPN: 8400A-1.3/8

Save $11.01
Ko-ken 8400A-1.5/16 1 Sq. Dr. Socket 1.5/16 6 point Length 65mm

Ko-ken 8400A-1.5/16 1 Sq. Dr. Socket 1.5/16 6 point Length 65mm

SKU: KK-8400A-1.5/16
MPN: 8400A-1.5/16

Save $11.01
Ko-ken 8400A-1.5/8 1 Sq. Dr. Socket 1.5/8 6 point Length 68mm

Ko-ken 8400A-1.5/8 1 Sq. Dr. Socket 1.5/8 6 point Length 68mm

SKU: KK-8400A-1.5/8
MPN: 8400A-1.5/8

Save $13.01
Ko-ken 8400A-1.7/16 1 Sq. Dr. Socket 1.7/16 6 point Length 65mm

Ko-ken 8400A-1.7/16 1 Sq. Dr. Socket 1.7/16 6 point Length 65mm

SKU: KK-8400A-1.7/16
MPN: 8400A-1.7/16

Save $11.01
Ko-ken 8400A-1.7/8 1 Sq. Dr. Socket 1.7/8 6 point Length 72mm

Ko-ken 8400A-1.7/8 1 Sq. Dr. Socket 1.7/8 6 point Length 72mm

SKU: KK-8400A-1.7/8
MPN: 8400A-1.7/8

Save $17.63
Ko-ken 8400A-1.9/16 1 Sq. Dr. Socket 1.9/16 6 point Length 65mm

Ko-ken 8400A-1.9/16 1 Sq. Dr. Socket 1.9/16 6 point Length 65mm

SKU: KK-8400A-1.9/16
MPN: 8400A-1.9/16

Save $12.06
Ko-ken 8400A-15/16 1 Sq. Dr. Socket 15/16 6 point Length 60mm

Ko-ken 8400A-15/16 1 Sq. Dr. Socket 15/16 6 point Length 60mm

SKU: KK-8400A-15/16
MPN: 8400A-15/16

Save $11.01
Ko-ken 8400A-2 1 Sq. Dr. Socket 2 6 point Length 72mm

Ko-ken 8400A-2 1 Sq. Dr. Socket 2 6 point Length 72mm

SKU: KK-8400A-2
MPN: 8400A-2

Save $17.73
Ko-ken 8400A-2.1/16 1 Sq. Dr. Socket 2.1/16 6 point Length 72mm

Ko-ken 8400A-2.1/16 1 Sq. Dr. Socket 2.1/16 6 point Length 72mm

SKU: KK-8400A-2.1/16
MPN: 8400A-2.1/16

Save $17.73
Ko-ken 8400A-2.1/2 1 Sq. Dr. Socket 2.1/2 6 point Length 82mm

Ko-ken 8400A-2.1/2 1 Sq. Dr. Socket 2.1/2 6 point Length 82mm

SKU: KK-8400A-2.1/2
MPN: 8400A-2.1/2

Save $32.21
Ko-ken 8400A-2.1/4 1 Sq. Dr. Socket 2.1/4 6 point Length 77mm

Ko-ken 8400A-2.1/4 1 Sq. Dr. Socket 2.1/4 6 point Length 77mm

SKU: KK-8400A-2.1/4
MPN: 8400A-2.1/4

Save $24.13
Ko-ken 8400A-2.1/8 1 Sq. Dr. Socket 2.1/8 6 point Length 72mm

Ko-ken 8400A-2.1/8 1 Sq. Dr. Socket 2.1/8 6 point Length 72mm

SKU: KK-8400A-2.1/8
MPN: 8400A-2.1/8

Save $20.67