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 3340M.75-11 3/8 Sq. Dr. Universal Socket 11mm Length 75mm
SKU: KK-3340M.75-11
MPN: 3340M.75-11
Ko-ken 3340M.75-12 3/8 Sq. Dr. Universal Socket 12mm Length 75mm
SKU: KK-3340M.75-12
MPN: 3340M.75-12
Ko-ken 3340M.75-13 3/8 Sq. Dr. Universal Socket 13mm Length 75mm
SKU: KK-3340M.75-13
MPN: 3340M.75-13
Ko-ken 3340M.75-14 3/8 Sq. Dr. Universal Socket 14mm Length 75mm
SKU: KK-3340M.75-14
MPN: 3340M.75-14
Ko-ken 3340M.75-15 3/8 Sq. Dr. Universal Socket 15mm Length 75mm
SKU: KK-3340M.75-15
MPN: 3340M.75-15
Ko-ken 3340M.75-16 3/8 Sq. Dr. Universal Socket 16mm Length 75mm
SKU: KK-3340M.75-16
MPN: 3340M.75-16
Ko-ken 3340M.75-17 3/8 Sq. Dr. Universal Socket 17mm Length 75mm
SKU: KK-3340M.75-17
MPN: 3340M.75-17
Ko-ken 3340M.75-18 3/8 Sq. Dr. Universal Socket 18mm Length 75mm
SKU: KK-3340M.75-18
MPN: 3340M.75-18
Ko-ken 3340M.75-19 3/8 Sq. Dr. Universal Socket 19mm Length 75mm
SKU: KK-3340M.75-19
MPN: 3340M.75-19
Ko-ken 3340M.75-8 3/8 Sq. Dr. Universal Socket 8mm Length 75mm
SKU: KK-3340M.75-8
MPN: 3340M.75-8
Ko-ken 3341G.70-10 3/8 Sq. Dr. Universal Socket 10mm Nut Grip Length 70mm For Glow Plug
SKU: KK-3341G.70-10
MPN: 3341G.70-10
Ko-ken 3341G.70-11 3/8 Sq. Dr. Universal Socket 11mm Nut Grip Length 70mm For Glow Plug
SKU: KK-3341G.70-11
MPN: 3341G.70-11
Ko-ken 3341G.70-12 3/8 Sq. Dr. Universal Socket 12mm Nut Grip Length 70mm For Glow Plug
SKU: KK-3341G.70-12
MPN: 3341G.70-12
Ko-ken 3341G.89-10 3/8 Sq. Dr. Universal Socket 10mm Nut Grip Length 89mm For Glow Plug
SKU: KK-3341G.89-10
MPN: 3341G.89-10
Ko-ken 3341G.89-12(DP52) 3/8 Sq. Dr. Universal Socket 12mm Nut Grip Length 89mm For Glow Plug
SKU: KK-3341G.89-12(DP52)
MPN: 3341G.89-12(DP52)
Ko-ken 3341G.89-8 3/8 Sq. Dr. Universal Socket 8mm Nut Grip Length 89mm For Glow Plug
SKU: KK-3341G.89-8
MPN: 3341G.89-8
Ko-ken 3341G.89-9 3/8 Sq. Dr. Universal Socket 9mm Nut Grip Length 89mm For Glow Plug
SKU: KK-3341G.89-9
MPN: 3341G.89-9
Ko-ken 3342G.150-8 3/8 Sq. Dr. Universal Socket 8mm 6 point Length 150mm For Glow Plug
SKU: KK-3342G.150-8
MPN: 3342G.150-8
Ko-ken 3344A 3/8 Sq. Dr. Adaptor 1/2 Square Length 30mm
SKU: KK-3344A
MPN: 3344A
Ko-ken 3345P-14 3/8 Sq. Dr. Universal Spark Plug Socket 14mm 12 point Length 88mm Magnet
SKU: KK-3345P-14
MPN: 3345P-14
Ko-ken 3350M-10 3/8 Sq. Dr. Socket 10mm Nut Grip Length 55mm
SKU: KK-3350M-10
MPN: 3350M-10
Ko-ken 3350M-10(L120) 3/8 Sq. Dr. Socket 10mm Nut Grip Length 120mm
SKU: KK-3350M-10(L120)
MPN: 3350M-10(L120)
Ko-ken 3350M-12 3/8 Sq. Dr. Socket 12mm Nut Grip Length 55mm
SKU: KK-3350M-12
MPN: 3350M-12
Ko-ken 3350M-12(L120) 3/8 Sq. Dr. Socket 12mm Nut Grip Length 120mm
SKU: KK-3350M-12(L120)
MPN: 3350M-12(L120)