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 RS4129/5-L37 1/2 Sq. Dr. Bolt Twister set  8mm-16mm  150mm  5 pieces

Ko-ken RS4129/5-L37 1/2 Sq. Dr. Bolt Twister set 8mm-16mm 150mm 5 pieces

SKU: KK-RS4129/5-L37
MPN: RS4129/5-L37

Sale price $70.93 List price $88.66
Save $17.73
Ko-ken RS4129/5-L75 1/2 Sq. Dr. Bolt Twister set  8mm-16mm  150mm  5 pieces

Ko-ken RS4129/5-L75 1/2 Sq. Dr. Bolt Twister set 8mm-16mm 150mm 5 pieces

SKU: KK-RS4129/5-L75
MPN: RS4129/5-L75

Sale price $80.57 List price $100.71
Save $20.14