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 RS4300M/10 1/2 Sq. Dr. Socket set 10-22mm 6 point 300mm 10 pieces
SKU: KK-RS4300M/10
MPN: RS4300M/10
Ko-ken RS4305A/10 1/2 Sq. Dr. Socket set 3/8-15/16 12 point 300mm 10 pieces
SKU: KK-RS4305A/10
MPN: RS4305A/10
Ko-ken RS4305M/10 1/2 Sq. Dr. Socket set 10-22mm 12 point 300mm 10 pieces
SKU: KK-RS4305M/10
MPN: RS4305M/10
Ko-ken RS4400M/10 1/2 Sq. Dr. Socket Set 10-22mm 6 point 300mm 10 pieces
SKU: KK-RS4400M/10
MPN: RS4400M/10
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
Ko-ken RS4405M/10 1/2 Sq. Dr. Socket Set 10-22mm 12 point 300mm 10 pieces
SKU: KK-RS4405M/10
MPN: RS4405M/10
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