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.
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 RS14401M/10 1/2 Sq. Dr. Socket set 10-27mm 6 point Thin walled 10 pieces
SKU: KK-RS14401M/10
MPN: RS14401M/10
Ko-ken RS14401MS/10 1/2 Sq. Dr. Socket set 10-27mm 6 point Thin walled 10 pieces
SKU: KK-RS14401MS/10
MPN: RS14401MS/10
Ko-ken RS2010A/8-L25 1/4 Sq. Dr. Socket set 1/8-3/8 Hex Length 25mm 8 pieces
SKU: KK-RS2010A/8-L25
MPN: RS2010A/8-L25
Ko-ken RS2010M/7-L25 1/4 Sq. Dr. Socket set 3-10mm Hex Length 25mm 7 pieces
SKU: KK-RS2010M/7-L25
MPN: RS2010M/7-L25
Ko-ken RS2025/7-IP 1/4 Sq. Dr. Socket set TORXPLUS 10IP-40IP 7 pieces
SKU: KK-RS2025/7-IP
MPN: RS2025/7-IP
Ko-ken RS2025/7-IPR 1/4 Sq. Dr. Socket set TORXPLUS 10IPR-40IPR Tamper Resistant 7 pieces
SKU: KK-RS2025/7-IPR
MPN: RS2025/7-IPR
Ko-ken RS2025/7-L28 1/4 Sq. Dr. Socket set TORX T10-T40 Length 28mm 7 pieces
SKU: KK-RS2025/7-L28
MPN: RS2025/7-L28
Ko-ken RS2025Z/7-L28 1/4 Sq. Dr. Bit Socket set TORX T10-T40 Length 28mm Z-series 7 pieces
SKU: KK-RS2025Z/7-L28
MPN: RS2025Z/7-L28
Ko-ken RS2025Z/7-L50 1/4 Sq. Dr. Bit Socket set TORX T10-T40 Length 50mm Z-series 7 pieces
SKU: KK-RS2025Z/7-L50
MPN: RS2025Z/7-L50
Ko-ken RS20XXZ/9 1/4 Sq. Dr. Bit Socket set PH, SL, HEX Z-series 9 pieces
SKU: KK-RS20XXZ/9
MPN: RS20XXZ/9
Ko-ken RS2127/10 1/4 Sq. Dr. Nut Twister set 4mm-10mm 10 pieces
SKU: KK-RS2127/10
MPN: RS2127/10
Ko-ken RS2127/6 1/4 Sq. Dr. Nut Twister set 4mm-7mm 6 pieces
SKU: KK-RS2127/6
MPN: RS2127/6
Ko-ken RS2300A/9 1/4 Sq. Dr. Socket set 3/16-1/2 6 point 9 pieces
SKU: KK-RS2300A/9
MPN: RS2300A/9
Ko-ken RS2300M/12 1/4 Sq. Dr. Socket set 4-14mm 6 point 12 pieces
SKU: KK-RS2300M/12
MPN: RS2300M/12
Ko-ken RS2300MZ/12 1/4 Sq. Dr. Socket set 4-14mm 6 point Z-series 12 pieces
SKU: KK-RS2300MZ/12
MPN: RS2300MZ/12
Ko-ken RS2300X/12 1/4 Sq. Dr. Socket set 4-14mm 6 point 12 pieces
SKU: KK-RS2300X/12
MPN: RS2300X/12
Ko-ken RS2300XZ/9 1/4 Sq. Dr. Socket set 5.5-14mm 6 point Z-series 9 pieces
SKU: KK-RS2300XZ/9
MPN: RS2300XZ/9
Ko-ken RS2305A/9 1/4 Sq. Dr. Socket set 3/16-1/2 12 point 9 pieces
SKU: KK-RS2305A/9
MPN: RS2305A/9
Ko-ken RS2305M/12 1/4 Sq. Dr. Socket set 4-14mm 12 point 12 pieces
SKU: KK-RS2305M/12
MPN: RS2305M/12
Ko-ken RS2310M/12 1/4 Sq. Dr. Socket set 4-14mm Surface 12 pieces
SKU: KK-RS2310M/12
MPN: RS2310M/12
Ko-ken RS2350M/4 1/4 Sq. Dr. Socket set 8-14mm Nut Grip 4 pieces
SKU: KK-RS2350M/4
MPN: RS2350M/4
Ko-ken RS2350X/4 1/4 Sq. Dr. Socket set 8-14mm Nut Grip 4 pieces
SKU: KK-RS2350X/4
MPN: RS2350X/4
Ko-ken RS2400A/9 1/4 Sq. Dr. Socket set 3/16-1/2 6 point 9 pieces
SKU: KK-RS2400A/9
MPN: RS2400A/9
Ko-ken RS2400M/12 1/4 Sq. Dr. Socket set 4-14mm 6 point 12 pieces
SKU: KK-RS2400M/12
MPN: RS2400M/12