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 19400A-6.5/8 2.1/2 Sq. Dr. Socket  6.5/8 6 point Length 205mm

Ko-ken 19400A-6.5/8 2.1/2 Sq. Dr. Socket 6.5/8 6 point Length 205mm

SKU: KK-19400A-6.5/8
MPN: 19400A-6.5/8

Sale price $5,265.86 List price $6,582.32
Save $1,316.46
Ko-ken 19400A-7 2.1/2 Sq. Dr. Socket  7 6 point Length 213mm

Ko-ken 19400A-7 2.1/2 Sq. Dr. Socket 7 6 point Length 213mm

SKU: KK-19400A-7
MPN: 19400A-7

Sale price $5,863.37 List price $7,329.21
Save $1,465.84
Ko-ken 19400M-100 2.1/2 Sq. Dr. Socket  100mm 6 point Length 142mm

Ko-ken 19400M-100 2.1/2 Sq. Dr. Socket 100mm 6 point Length 142mm

SKU: KK-19400M-100
MPN: 19400M-100

Sale price $1,602.69 List price $2,003.36
Save $400.67
Ko-ken 19400M-105 2.1/2 Sq. Dr. Socket  105mm 12 point Length 146mm

Ko-ken 19400M-105 2.1/2 Sq. Dr. Socket 105mm 12 point Length 146mm

SKU: KK-19400M-105
MPN: 19400M-105

Sale price $1,697.60 List price $2,121.99
Save $424.39
Ko-ken 19400M-110 2.1/2 Sq. Dr. Socket  110mm 6 point Length 155mm

Ko-ken 19400M-110 2.1/2 Sq. Dr. Socket 110mm 6 point Length 155mm

SKU: KK-19400M-110
MPN: 19400M-110

Sale price $1,848.36 List price $2,310.44
Save $462.08
Ko-ken 19400M-115 2.1/2 Sq. Dr. Socket  115mm 6 point Length 158mm

Ko-ken 19400M-115 2.1/2 Sq. Dr. Socket 115mm 6 point Length 158mm

SKU: KK-19400M-115
MPN: 19400M-115

Sale price $1,926.55 List price $2,408.18
Save $481.63
Ko-ken 19400M-120 2.1/2 Sq. Dr. Socket  120mm 6 point Length 160mm

Ko-ken 19400M-120 2.1/2 Sq. Dr. Socket 120mm 6 point Length 160mm

SKU: KK-19400M-120
MPN: 19400M-120

Sale price $2,077.33 List price $2,596.66
Save $519.33
Ko-ken 19400M-125 2.1/2 Sq. Dr. Socket  125mm 6 point Length 165mm

Ko-ken 19400M-125 2.1/2 Sq. Dr. Socket 125mm 6 point Length 165mm

SKU: KK-19400M-125
MPN: 19400M-125

Sale price $2,261.62 List price $2,827.02
Save $565.40
Ko-ken 19400M-130 2.1/2 Sq. Dr. Socket  130mm 6 point Length 169mm

Ko-ken 19400M-130 2.1/2 Sq. Dr. Socket 130mm 6 point Length 169mm

SKU: KK-19400M-130
MPN: 19400M-130

Sale price $2,462.61 List price $3,078.26
Save $615.65
Ko-ken 19400M-135 2.1/2 Sq. Dr. Socket  135mm 6 point Length 175mm

Ko-ken 19400M-135 2.1/2 Sq. Dr. Socket 135mm 6 point Length 175mm

SKU: KK-19400M-135
MPN: 19400M-135

Sale price $2,981.97 List price $3,727.46
Save $745.49
Ko-ken 19400M-140 2.1/2 Sq. Dr. Socket  140mm 6 point Length 180mm

Ko-ken 19400M-140 2.1/2 Sq. Dr. Socket 140mm 6 point Length 180mm

SKU: KK-19400M-140
MPN: 19400M-140

Sale price $3,372.84 List price $4,216.05
Save $843.21
Ko-ken 19400M-145 2.1/2 Sq. Dr. Socket  145mm 6 point Length 183mm

Ko-ken 19400M-145 2.1/2 Sq. Dr. Socket 145mm 6 point Length 183mm

SKU: KK-19400M-145
MPN: 19400M-145

Sale price $3,573.84 List price $4,467.30
Save $893.46
Ko-ken 19400M-150 2.1/2 Sq. Dr. Socket  150mm 6 point Length 192mm

Ko-ken 19400M-150 2.1/2 Sq. Dr. Socket 150mm 6 point Length 192mm

SKU: KK-19400M-150
MPN: 19400M-150

Sale price $3,892.16 List price $4,865.19
Save $973.03
Ko-ken 19400M-160 2.1/2 Sq. Dr. Socket  160mm 6 point Length 200mm

Ko-ken 19400M-160 2.1/2 Sq. Dr. Socket 160mm 6 point Length 200mm

SKU: KK-19400M-160
MPN: 19400M-160

Sale price $4,422.64 List price $5,528.29
Save $1,105.65
Ko-ken 19400M-165 2.1/2 Sq. Dr. Socket  165mm 6 point Length 204mm

Ko-ken 19400M-165 2.1/2 Sq. Dr. Socket 165mm 6 point Length 204mm

SKU: KK-19400M-165
MPN: 19400M-165

Sale price $4,785.65 List price $5,982.06
Save $1,196.41
Ko-ken 19400M-170 2.1/2 Sq. Dr. Socket  170mm 6 point Length 207mm

Ko-ken 19400M-170 2.1/2 Sq. Dr. Socket 170mm 6 point Length 207mm

SKU: KK-19400M-170
MPN: 19400M-170

Sale price $5,009.00 List price $6,261.24
Save $1,252.24
Ko-ken 19400M-175 2.1/2 Sq. Dr. Socket  175mm 6 point Length 211mm

Ko-ken 19400M-175 2.1/2 Sq. Dr. Socket 175mm 6 point Length 211mm

SKU: KK-19400M-175
MPN: 19400M-175

Sale price $5,327.29 List price $6,659.11
Save $1,331.82
Ko-ken 19400M-180 2.1/2 Sq. Dr. Socket  180mm 6 point Length 214mm

Ko-ken 19400M-180 2.1/2 Sq. Dr. Socket 180mm 6 point Length 214mm

SKU: KK-19400M-180
MPN: 19400M-180

Sale price $5,807.56 List price $7,259.45
Save $1,451.89
Ko-ken 19400M-185 2.1/2 Sq. Dr. Socket  185mm 6 point Length 218mm

Ko-ken 19400M-185 2.1/2 Sq. Dr. Socket 185mm 6 point Length 218mm

SKU: KK-19400M-185
MPN: 19400M-185

Sale price $6,086.76 List price $7,608.45
Save $1,521.69
Ko-ken 19400M-190 2.1/2 Sq. Dr. Socket  190mm 6 point Length 220mm

Ko-ken 19400M-190 2.1/2 Sq. Dr. Socket 190mm 6 point Length 220mm

SKU: KK-19400M-190
MPN: 19400M-190

Sale price $6,533.49 List price $8,166.86
Save $1,633.37
Ko-ken 19400M-200 2.1/2 Sq. Dr. Socket  200mm 6 point Length 225mm

Ko-ken 19400M-200 2.1/2 Sq. Dr. Socket 200mm 6 point Length 225mm

SKU: KK-19400M-200
MPN: 19400M-200

Sale price $6,980.22 List price $8,725.27
Save $1,745.05
Ko-ken 19400M-210 2.1/2 Sq. Dr. Socket  210mm 6 point Length 235mm

Ko-ken 19400M-210 2.1/2 Sq. Dr. Socket 210mm 6 point Length 235mm

SKU: KK-19400M-210
MPN: 19400M-210

Sale price $7,538.62 List price $9,423.27
Save $1,884.65
Ko-ken 19400M-215 2.1/2 Sq. Dr. Socket  215mm 6 point Length 240mm

Ko-ken 19400M-215 2.1/2 Sq. Dr. Socket 215mm 6 point Length 240mm

SKU: KK-19400M-215
MPN: 19400M-215

Sale price $7,873.68 List price $9,842.09
Save $1,968.41
Ko-ken 19400M-225 2.1/2 Sq. Dr. Socket  225mm 6 point Length 250mm

Ko-ken 19400M-225 2.1/2 Sq. Dr. Socket 225mm 6 point Length 250mm

SKU: KK-19400M-225
MPN: 19400M-225

Sale price $8,934.68 List price $11,168.34
Save $2,233.66