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 RS3020/6-L38 3/8 Sq. Dr. Bit Socket set XZN M5-M14 Triple Square 150mm  6 pieces

Ko-ken RS3020/6-L38 3/8 Sq. Dr. Bit Socket set XZN M5-M14 Triple Square 150mm 6 pieces

SKU: KK-RS3020/6-L38
MPN: RS3020/6-L38

Sale price $75.55 List price $94.43
Save $18.88
Ko-ken RS3020/7-L50 3/8 Sq. Dr. Bit Socket set XZN M4-M14 Triple Square 200mm  7 pieces

Ko-ken RS3020/7-L50 3/8 Sq. Dr. Bit Socket set XZN M4-M14 Triple Square 200mm 7 pieces

SKU: KK-RS3020/7-L50
MPN: RS3020/7-L50

Sale price $87.30 List price $109.12
Save $21.82