KK Accessories

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 19977A 2.1/2 Sq. Dr. Adaptor  1.1/2 Square Length 145mm Hole type

Ko-ken 19977A 2.1/2 Sq. Dr. Adaptor 1.1/2 Square Length 145mm Hole type

SKU: KK-19977A
MPN: 19977A

Sale price $2,120.72 List price $2,650.90
Save $530.18
Ko-ken A92 2.1/2" Sq.Dr. Pin

Ko-ken A92 2.1/2" Sq.Dr. Pin

SKU: KK-A92
MPN: A92

Sale price $7.89 List price $9.86
Save $1.97
Ko-ken B92 O Ring

Ko-ken B92 O Ring

SKU: KK-B92
MPN: B92

Sale price $36.95 List price $46.18
Save $9.23