Ko-Ken

Ko-Ken


Ko-Ken Professional Tools: Premium Industrial Hand Tools

Professional-Grade Ko-Ken Tools from Your Trusted Michigan-Based Distributor

Discover the Ko-Ken collection at Freer Tool & Supply—your destination for premium Japanese hand tools and sockets renowned for precision, durability, and professional performance. Our selection includes Ko-Ken’s high-quality impact sockets, ratchets, extensions, and specialty tools, all engineered for demanding automotive, industrial, and maintenance applications. Whether you’re a technician, mechanic, or industry professional, Ko-Ken tools deliver the reliability and accuracy you need for every job.


Ko-ken United states distributors

High Performance Tools of Convincing Quality.

Founded in 2012 by Jim Chase, Koken USA began sharing in the tool marketplace about an excellent product line of tools that was new to North America. He was so impressed by their quality and engineering that he claimed, "If we can just get them (Koken sockets) into the hands of the consumer, they will never buy anything else."

First with the introduction of Koken's broad line of standard sockets and tools, followed by their offering of custom sockets to meet specific customer requirements, Koken quickly developed a reputation for quality tools and outstanding customer service in North America.

Available Product Lines:
Professional Hand Tools:

Socket Sets
Impact Sockets
Specialty Tools
Industrial Solutions


Ko-ken 14400A-1 1/2 Sq. Dr. Socket  1 6 point Length 38mm

Ko-ken 14400A-1 1/2 Sq. Dr. Socket 1 6 point Length 38mm

SKU: KK-14400A-1
MPN: 14400A-1

Sale price $23.13 List price $28.91
Save $5.78
Ko-ken 14400A-1.1/16 1/2 Sq. Dr. Socket  1.1/16 6 point Length 40mm

Ko-ken 14400A-1.1/16 1/2 Sq. Dr. Socket 1.1/16 6 point Length 40mm

SKU: KK-14400A-1.1/16
MPN: 14400A-1.1/16

Sale price $23.51 List price $29.38
Save $5.87
Ko-ken 14400A-1.1/2 1/2 Sq. Dr. Socket  1.1/2 6 point Length 53mm

Ko-ken 14400A-1.1/2 1/2 Sq. Dr. Socket 1.1/2 6 point Length 53mm

SKU: KK-14400A-1.1/2
MPN: 14400A-1.1/2

Sale price $62.48 List price $78.09
Save $15.61
Ko-ken 14400A-1.1/4 1/2 Sq. Dr. Socket  1.1/4 6 point Length 42mm

Ko-ken 14400A-1.1/4 1/2 Sq. Dr. Socket 1.1/4 6 point Length 42mm

SKU: KK-14400A-1.1/4
MPN: 14400A-1.1/4

Sale price $31.61 List price $39.51
Save $7.90
Ko-ken 14400A-1.1/8 1/2 Sq. Dr. Socket  1.1/8 6 point Length 42mm

Ko-ken 14400A-1.1/8 1/2 Sq. Dr. Socket 1.1/8 6 point Length 42mm

SKU: KK-14400A-1.1/8
MPN: 14400A-1.1/8

Sale price $26.21 List price $32.76
Save $6.55
Ko-ken 14400A-1.3/16 1/2 Sq. Dr. Socket  1.3/16 6 point Length 42mm

Ko-ken 14400A-1.3/16 1/2 Sq. Dr. Socket 1.3/16 6 point Length 42mm

SKU: KK-14400A-1.3/16
MPN: 14400A-1.3/16

Sale price $28.39 List price $35.48
Save $7.09
Ko-ken 14400A-1.3/8 1/2 Sq. Dr. Socket  1.3/8 6 point Length 46mm

Ko-ken 14400A-1.3/8 1/2 Sq. Dr. Socket 1.3/8 6 point Length 46mm

SKU: KK-14400A-1.3/8
MPN: 14400A-1.3/8

Sale price $47.16 List price $58.95
Save $11.79
Ko-ken 14400A-1.5/16 1/2 Sq. Dr. Socket  1.5/16 6 point Length 46mm

Ko-ken 14400A-1.5/16 1/2 Sq. Dr. Socket 1.5/16 6 point Length 46mm

SKU: KK-14400A-1.5/16
MPN: 14400A-1.5/16

Sale price $46.10 List price $57.62
Save $11.52
Ko-ken 14400A-1/2 1/2 Sq. Dr. Socket  1/2 6 point Length 38mm

Ko-ken 14400A-1/2 1/2 Sq. Dr. Socket 1/2 6 point Length 38mm

SKU: KK-14400A-1/2
MPN: 14400A-1/2

Sale price $15.33 List price $19.16
Save $3.83
Ko-ken 14400A-1/4 1/2 Sq. Dr. Socket  1/4 6 point Length 38mm

Ko-ken 14400A-1/4 1/2 Sq. Dr. Socket 1/4 6 point Length 38mm

SKU: KK-14400A-1/4
MPN: 14400A-1/4

Sale price $15.33 List price $19.16
Save $3.83
Ko-ken 14400A-11/16 1/2 Sq. Dr. Socket  11/16 6 point Length 38mm

Ko-ken 14400A-11/16 1/2 Sq. Dr. Socket 11/16 6 point Length 38mm

SKU: KK-14400A-11/16
MPN: 14400A-11/16

Sale price $17.72 List price $22.14
Save $4.42
Ko-ken 14400A-13/16 1/2 Sq. Dr. Socket  13/16 6 point Length 38mm

Ko-ken 14400A-13/16 1/2 Sq. Dr. Socket 13/16 6 point Length 38mm

SKU: KK-14400A-13/16
MPN: 14400A-13/16

Sale price $19.42 List price $24.27
Save $4.85
Ko-ken 14400A-15/16 1/2 Sq. Dr. Socket  15/16 6 point Length 38mm

Ko-ken 14400A-15/16 1/2 Sq. Dr. Socket 15/16 6 point Length 38mm

SKU: KK-14400A-15/16
MPN: 14400A-15/16

Sale price $21.32 List price $26.65
Save $5.33
Ko-ken 14400A-19/32 1/2 Sq. Dr. Socket  19/32 6 point Length 38mm

Ko-ken 14400A-19/32 1/2 Sq. Dr. Socket 19/32 6 point Length 38mm

SKU: KK-14400A-19/32
MPN: 14400A-19/32

Sale price $17.72 List price $22.14
Save $4.42
Ko-ken 14400A-3/4 1/2 Sq. Dr. Socket  3/4 6 point Length 38mm

Ko-ken 14400A-3/4 1/2 Sq. Dr. Socket 3/4 6 point Length 38mm

SKU: KK-14400A-3/4
MPN: 14400A-3/4

Sale price $17.72 List price $22.14
Save $4.42
Ko-ken 14400A-3/8 1/2 Sq. Dr. Socket  3/8 6 point Length 38mm

Ko-ken 14400A-3/8 1/2 Sq. Dr. Socket 3/8 6 point Length 38mm

SKU: KK-14400A-3/8
MPN: 14400A-3/8

Sale price $15.33 List price $19.16
Save $3.83
Ko-ken 14400A-5/16 1/2 Sq. Dr. Socket  5/16 6 point Length 38mm

Ko-ken 14400A-5/16 1/2 Sq. Dr. Socket 5/16 6 point Length 38mm

SKU: KK-14400A-5/16
MPN: 14400A-5/16

Sale price $15.33 List price $19.16
Save $3.83
Ko-ken 14400A-5/8 1/2 Sq. Dr. Socket  5/8 6 point Length 38mm

Ko-ken 14400A-5/8 1/2 Sq. Dr. Socket 5/8 6 point Length 38mm

SKU: KK-14400A-5/8
MPN: 14400A-5/8

Sale price $17.72 List price $22.14
Save $4.42
Ko-ken 14400A-7/16 1/2 Sq. Dr. Socket  7/16 6 point Length 38mm

Ko-ken 14400A-7/16 1/2 Sq. Dr. Socket 7/16 6 point Length 38mm

SKU: KK-14400A-7/16
MPN: 14400A-7/16

Sale price $15.33 List price $19.16
Save $3.83
Ko-ken 14400A-7/8 1/2 Sq. Dr. Socket  7/8 6 point Length 38mm

Ko-ken 14400A-7/8 1/2 Sq. Dr. Socket 7/8 6 point Length 38mm

SKU: KK-14400A-7/8
MPN: 14400A-7/8

Sale price $19.42 List price $24.27
Save $4.85
Ko-ken 14400A-9/16 1/2 Sq. Dr. Socket  9/16 6 point Length 38mm

Ko-ken 14400A-9/16 1/2 Sq. Dr. Socket 9/16 6 point Length 38mm

SKU: KK-14400A-9/16
MPN: 14400A-9/16

Sale price $15.33 List price $19.16
Save $3.83
Ko-ken 14400M-10 1/2 Sq. Dr. Socket  10mm 6 point Length 38mm

Ko-ken 14400M-10 1/2 Sq. Dr. Socket 10mm 6 point Length 38mm

SKU: KK-14400M-10
MPN: 14400M-10

Sale price $14.00 List price $17.50
Save $3.50
Ko-ken 14400M-10FR 1/2 Sq. Dr. Socket with Plastic Protector  10mm 6 point Length 39.3mm  Turnable POM cover

Ko-ken 14400M-10FR 1/2 Sq. Dr. Socket with Plastic Protector 10mm 6 point Length 39.3mm Turnable POM cover

SKU: KK-14400M-10FR
MPN: 14400M-10FR

Sale price $80.36 List price $100.44
Save $20.08
Ko-ken 14400M-11 1/2 Sq. Dr. Socket  11mm 6 point Length 38mm

Ko-ken 14400M-11 1/2 Sq. Dr. Socket 11mm 6 point Length 38mm

SKU: KK-14400M-11
MPN: 14400M-11

Sale price $14.00 List price $17.50
Save $3.50