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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 3310M-21 3/8 Sq. Dr. Socket 21mm Surface Length 65mm

Ko-ken 3310M-21 3/8 Sq. Dr. Socket 21mm Surface Length 65mm

SKU: KK-3310M-21
MPN: 3310M-21

Save $3.76
Ko-ken 3310M-22 3/8 Sq. Dr. Socket 22mm Surface Length 65mm

Ko-ken 3310M-22 3/8 Sq. Dr. Socket 22mm Surface Length 65mm

SKU: KK-3310M-22
MPN: 3310M-22

Save $3.90
Ko-ken 3310M-23 3/8 Sq. Dr. Socket 23mm Surface Length 65mm

Ko-ken 3310M-23 3/8 Sq. Dr. Socket 23mm Surface Length 65mm

SKU: KK-3310M-23
MPN: 3310M-23

Save $4.08
Ko-ken 3310M-24 3/8 Sq. Dr. Socket 24mm Surface Length 65mm

Ko-ken 3310M-24 3/8 Sq. Dr. Socket 24mm Surface Length 65mm

SKU: KK-3310M-24
MPN: 3310M-24

Save $4.31
Ko-ken 3310M-6 3/8 Sq. Dr. Socket 6mm Surface Length 55mm

Ko-ken 3310M-6 3/8 Sq. Dr. Socket 6mm Surface Length 55mm

SKU: KK-3310M-6
MPN: 3310M-6

Save $2.37
Ko-ken 3310M-7 3/8 Sq. Dr. Socket 7mm Surface Length 55mm

Ko-ken 3310M-7 3/8 Sq. Dr. Socket 7mm Surface Length 55mm

SKU: KK-3310M-7
MPN: 3310M-7

Save $2.37
Ko-ken 3310M-8 3/8 Sq. Dr. Socket 8mm Surface Length 55mm

Ko-ken 3310M-8 3/8 Sq. Dr. Socket 8mm Surface Length 55mm

SKU: KK-3310M-8
MPN: 3310M-8

Save $2.37
Ko-ken 3310M-9 3/8 Sq. Dr. Socket 9mm Surface Length 55mm

Ko-ken 3310M-9 3/8 Sq. Dr. Socket 9mm Surface Length 55mm

SKU: KK-3310M-9
MPN: 3310M-9

Save $2.37
Ko-ken 3322A 3/8 Sq. Dr. Adaptor 1/4 Square Length 24mm

Ko-ken 3322A 3/8 Sq. Dr. Adaptor 1/4 Square Length 24mm

SKU: KK-3322A
MPN: 3322A

Save $2.42
Ko-ken 3322AZ-75 3/8 Sq. Dr. Adaptor 1/4 Square Length 75mm Z-series

Ko-ken 3322AZ-75 3/8 Sq. Dr. Adaptor 1/4 Square Length 75mm Z-series

SKU: KK-3322AZ-75
MPN: 3322AZ-75

Save $4.32
Ko-ken 3325-E10 3/8 Sq. Dr. Socket TORX E10 Length 55mm

Ko-ken 3325-E10 3/8 Sq. Dr. Socket TORX E10 Length 55mm

SKU: KK-3325-E10
MPN: 3325-E10

Save $3.07
Ko-ken 3325-E12 3/8 Sq. Dr. Socket TORX E12 Length 55mm

Ko-ken 3325-E12 3/8 Sq. Dr. Socket TORX E12 Length 55mm

SKU: KK-3325-E12
MPN: 3325-E12

Save $3.07
Ko-ken 3325-E14 3/8 Sq. Dr. Socket TORX E14 Length 55mm

Ko-ken 3325-E14 3/8 Sq. Dr. Socket TORX E14 Length 55mm

SKU: KK-3325-E14
MPN: 3325-E14

Save $3.07
Ko-ken 3325-E16 3/8 Sq. Dr. Socket TORX E16 Length 55mm

Ko-ken 3325-E16 3/8 Sq. Dr. Socket TORX E16 Length 55mm

SKU: KK-3325-E16
MPN: 3325-E16

Save $3.20
Ko-ken 3325-E4 3/8 Sq. Dr. Socket TORX E4 Length 55mm

Ko-ken 3325-E4 3/8 Sq. Dr. Socket TORX E4 Length 55mm

SKU: KK-3325-E4
MPN: 3325-E4

Save $3.07
Ko-ken 3325-E5 3/8 Sq. Dr. Socket TORX E5 Length 55mm

Ko-ken 3325-E5 3/8 Sq. Dr. Socket TORX E5 Length 55mm

SKU: KK-3325-E5
MPN: 3325-E5

Save $3.07
Ko-ken 3325-E6 3/8 Sq. Dr. Socket TORX E6 Length 55mm

Ko-ken 3325-E6 3/8 Sq. Dr. Socket TORX E6 Length 55mm

SKU: KK-3325-E6
MPN: 3325-E6

Save $3.07
Ko-ken 3325-E7 3/8 Sq. Dr. Socket TORX E7 Length 55mm

Ko-ken 3325-E7 3/8 Sq. Dr. Socket TORX E7 Length 55mm

SKU: KK-3325-E7
MPN: 3325-E7

Save $3.07
Ko-ken 3325-E8 3/8 Sq. Dr. Socket TORX E8 Length 55mm

Ko-ken 3325-E8 3/8 Sq. Dr. Socket TORX E8 Length 55mm

SKU: KK-3325-E8
MPN: 3325-E8

Save $3.07
Ko-ken 3340C-14 3/8 Sq. Dr. Universal Spark Plug Socket 14mm 6 point Length 88mm Spring Clip

Ko-ken 3340C-14 3/8 Sq. Dr. Universal Spark Plug Socket 14mm 6 point Length 88mm Spring Clip

SKU: KK-3340C-14
MPN: 3340C-14

Save $10.40
Ko-ken 3340C-16 3/8 Sq. Dr. Universal Spark Plug Socket 16mm 6 point Length 88mm Spring Clip

Ko-ken 3340C-16 3/8 Sq. Dr. Universal Spark Plug Socket 16mm 6 point Length 88mm Spring Clip

SKU: KK-3340C-16
MPN: 3340C-16

Save $12.38
Ko-ken 3340C-18 3/8 Sq. Dr. Universal Spark Plug Socket 18mm 6 point Length 88mm Spring Clip

Ko-ken 3340C-18 3/8 Sq. Dr. Universal Spark Plug Socket 18mm 6 point Length 88mm Spring Clip

SKU: KK-3340C-18
MPN: 3340C-18

Save $12.38
Ko-ken 3340C-20.8 3/8 Sq. Dr. Universal Spark Plug Socket 20.8mm 6 point Length 88mm Spring Clip

Ko-ken 3340C-20.8 3/8 Sq. Dr. Universal Spark Plug Socket 20.8mm 6 point Length 88mm Spring Clip

SKU: KK-3340C-20.8
MPN: 3340C-20.8

Save $15.42
Ko-ken 3340M.75-10 3/8 Sq. Dr. Universal Socket 10mm Length 75mm

Ko-ken 3340M.75-10 3/8 Sq. Dr. Universal Socket 10mm Length 75mm

SKU: KK-3340M.75-10
MPN: 3340M.75-10

Save $8.43