KK Hand Tools

Freer Tool & Supply is your trusted, ISO-certified source for Ko-Ken hand tools—delivering the complete lineup of sockets, ratchets, breaker bars, extension bars, and specialty tools engineered for professional results. Every Ko-Ken hand tool is crafted from high-grade chrome vanadium steel and undergoes precision heat treatment, ensuring exceptional durability and long-term performance in demanding industrial and automotive environments.


Explore our full range of Ko-Ken hand tools, including:
Standard and deep sockets (metric and SAE)
Ratchets and breaker bars for high-torque applications
Extension bars for hard-to-reach fasteners
Specialty tools and adaptors for unique jobs


Ko-ken RS4405A/10 1/2 Sq. Dr. Socket Set  3/8-15/16 12 point 300mm  10 pieces

Ko-ken RS4405A/10 1/2 Sq. Dr. Socket Set 3/8-15/16 12 point 300mm 10 pieces

SKU: KK-RS4405A/10
MPN: RS4405A/10

Sale price $71.77 List price $89.71
Save $17.94
Ko-ken RS4405M/10 1/2 Sq. Dr. Socket Set  10-22mm 12 point 300mm  10 pieces

Ko-ken RS4405M/10 1/2 Sq. Dr. Socket Set 10-22mm 12 point 300mm 10 pieces

SKU: KK-RS4405M/10
MPN: RS4405M/10

Sale price $58.77 List price $73.46
Save $14.69
Ko-ken RS4405W/8 1/2 Sq. Dr. Socket Set Whitworth 3/16-5/8 12 point 250mm  8 pieces

Ko-ken RS4405W/8 1/2 Sq. Dr. Socket Set Whitworth 3/16-5/8 12 point 250mm 8 pieces

SKU: KK-RS4405W/8
MPN: RS4405W/8

Sale price $80.99 List price $101.23
Save $20.24