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 PK4763/5 1/2 Sq. Dr. Wobble-Fix Extension Bar set  50-250mm ABS Tray   5 pieces

Ko-ken PK4763/5 1/2 Sq. Dr. Wobble-Fix Extension Bar set 50-250mm ABS Tray 5 pieces

SKU: KK-PK4763/5
MPN: PK4763/5

Sale price $109.54 List price $136.92
Save $27.38
Ko-ken PKC41 1/2" C Ring + Puller (10 + 1 piece)

Ko-ken PKC41 1/2" C Ring + Puller (10 + 1 piece)

SKU: KK-PKC41
MPN: PKC41

Sale price $26.10 List price $32.62
Save $6.52
Ko-ken PKC42 1/2" C-Ring + Puller (10 + 1 piece)

Ko-ken PKC42 1/2" C-Ring + Puller (10 + 1 piece)

SKU: KK-PKC42
MPN: PKC42

Sale price $26.10 List price $32.62
Save $6.52
Ko-ken S/A41 1/2" Pin  (100 pieces)

Ko-ken S/A41 1/2" Pin (100 pieces)

SKU: KK-S/A41
MPN: S/A41

Sale price $89.88 List price $112.35
Save $22.47
Ko-ken S/A42 1/2" Pin (100 pieces)

Ko-ken S/A42 1/2" Pin (100 pieces)

SKU: KK-S/A42
MPN: S/A42

Sale price $89.88 List price $112.35
Save $22.47
Ko-ken S/B41 1/2" O Ring (100 pieces)

Ko-ken S/B41 1/2" O Ring (100 pieces)

SKU: KK-S/B41
MPN: S/B41

Sale price $136.44 List price $170.55
Save $34.11
Ko-ken S/B42 1/2" O-Ring (100 pieces)

Ko-ken S/B42 1/2" O-Ring (100 pieces)

SKU: KK-S/B42
MPN: S/B42

Sale price $151.76 List price $189.70
Save $37.94
Ko-ken S/C41 1/2" C Ring (100 pieces)

Ko-ken S/C41 1/2" C Ring (100 pieces)

SKU: KK-S/C41
MPN: S/C41

Sale price $141.64 List price $177.05
Save $35.41
Ko-ken S/C42 1/2" C-Ring (100 pcs.)

Ko-ken S/C42 1/2" C-Ring (100 pcs.)

SKU: KK-S/C42
MPN: S/C42

Sale price $141.64 List price $177.05
Save $35.41