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 RS3300X/8 3/8 Sq. Dr. Socket set 8mm-19mm 6 point 200mm 8 pieces
SKU: KK-RS3300X/8
MPN: RS3300X/8
Ko-ken RS3305A/9 3/8 Sq. Dr. Socket set 1/4-3/4 12 point 200mm 9 pieces
SKU: KK-RS3305A/9
MPN: RS3305A/9
Ko-ken RS3340M/8-L75 3/8 Sq. Dr. Universal Socket set 8mm-19mm 6 point 200mm 8 pieces
SKU: KK-RS3340M/8-L75
MPN: RS3340M/8-L75
Ko-ken RS3400W/7 3/8 Sq. Dr. Socket set Whitworth 1/8-1/2 6 point 200mm 7 pieces
SKU: KK-RS3400W/7
MPN: RS3400W/7
Ko-ken RS3440M/8 3/8 Sq. Dr. Universal Socket set 8mm-19mm 6 point 200mm 8 pieces
SKU: KK-RS3440M/8
MPN: RS3440M/8
Ko-ken RS4127/6 1/2 Sq. Dr. Nut Twister set 17mm-25.4mm 200mm 6 pieces
SKU: KK-RS4127/6
MPN: RS4127/6
Ko-ken RS4300A/10 1/2 Sq. Dr. Socket set 3/8-15/16 6 point 300mm 10 pieces
SKU: KK-RS4300A/10
MPN: RS4300A/10
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 RS4400M/10 1/2 Sq. Dr. Socket Set 10-22mm 6 point 300mm 10 pieces
SKU: KK-RS4400M/10
MPN: RS4400M/10