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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 RS2445A/9 1/4 Sq. Dr. Universal Socket set 3/16-9/16 12 point 150mm 9 pieces

Ko-ken RS2445A/9 1/4 Sq. Dr. Universal Socket set 3/16-9/16 12 point 150mm 9 pieces

SKU: KK-RS2445A/9
MPN: RS2445A/9

Save $58.85
Ko-ken RS3300M/12 3/8 Sq. Dr. Socket set 8mm-19mm 6 point 300mm 12 pieces

Ko-ken RS3300M/12 3/8 Sq. Dr. Socket set 8mm-19mm 6 point 300mm 12 pieces

SKU: KK-RS3300M/12
MPN: RS3300M/12

Save $29.58
Ko-ken RS3300M/8 3/8 Sq. Dr. Socket set 8mm-19mm 6 point 200mm 8 pieces

Ko-ken RS3300M/8 3/8 Sq. Dr. Socket set 8mm-19mm 6 point 200mm 8 pieces

SKU: KK-RS3300M/8
MPN: RS3300M/8

Save $19.41
Ko-ken RS3300W/7 3/8 Sq. Dr. Socket set Whitworth 1/8-1/2 6 point 200mm 7 pieces

Ko-ken RS3300W/7 3/8 Sq. Dr. Socket set Whitworth 1/8-1/2 6 point 200mm 7 pieces

SKU: KK-RS3300W/7
MPN: RS3300W/7

Save $25.91
Ko-ken RS3300X/8 3/8 Sq. Dr. Socket set 8mm-19mm 6 point 200mm 8 pieces

Ko-ken RS3300X/8 3/8 Sq. Dr. Socket set 8mm-19mm 6 point 200mm 8 pieces

SKU: KK-RS3300X/8
MPN: RS3300X/8

Save $18.99
Ko-ken RS3305A/9 3/8 Sq. Dr. Socket set 1/4-3/4 12 point 200mm 9 pieces

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

Save $24.55
Ko-ken RS3305M/12 3/8 Sq. Dr. Socket set 8mm-19mm 12 point 300mm 12 pieces

Ko-ken RS3305M/12 3/8 Sq. Dr. Socket set 8mm-19mm 12 point 300mm 12 pieces

SKU: KK-RS3305M/12
MPN: RS3305M/12

Save $29.58
Ko-ken RS3305M/8 3/8 Sq. Dr. Socket set 8mm-19mm 12 point 200mm 8 pieces

Ko-ken RS3305M/8 3/8 Sq. Dr. Socket set 8mm-19mm 12 point 200mm 8 pieces

SKU: KK-RS3305M/8
MPN: RS3305M/8

Save $19.41
Ko-ken RS3305W/7 3/8 Sq. Dr. Socket set Whitworth 1/8-1/2 12 point 200mm 7 pieces

Ko-ken RS3305W/7 3/8 Sq. Dr. Socket set Whitworth 1/8-1/2 12 point 200mm 7 pieces

SKU: KK-RS3305W/7
MPN: RS3305W/7

Save $25.91
Ko-ken RS3305X/8 3/8 Sq. Dr. Socket set 8mm-19mm 12 point 200mm 8 pieces

Ko-ken RS3305X/8 3/8 Sq. Dr. Socket set 8mm-19mm 12 point 200mm 8 pieces

SKU: KK-RS3305X/8
MPN: RS3305X/8

Save $18.99
Ko-ken RS3305XA/9 3/8 Sq. Dr. Socket set 1/4-3/4 12 point 200mm 9 pieces

Ko-ken RS3305XA/9 3/8 Sq. Dr. Socket set 1/4-3/4 12 point 200mm 9 pieces

SKU: KK-RS3305XA/9
MPN: RS3305XA/9

Save $23.71
Ko-ken RS3340M/8-L75 3/8 Sq. Dr. Universal Socket set 8mm-19mm 6 point 200mm 8 pieces

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

Save $68.72
Ko-ken RS3400A/9 3/8 Sq. Dr. Socket set 1/4-3/4 6 point 200mm 9 pieces

Ko-ken RS3400A/9 3/8 Sq. Dr. Socket set 1/4-3/4 6 point 200mm 9 pieces

SKU: KK-RS3400A/9
MPN: RS3400A/9

Save $12.69
Ko-ken RS3400W/7 3/8 Sq. Dr. Socket set Whitworth 1/8-1/2 6 point 200mm 7 pieces

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

Save $13.53
Ko-ken RS3405A/9 3/8 Sq. Dr. Socket set 1/4-3/4 12 point 200mm 9 pieces

Ko-ken RS3405A/9 3/8 Sq. Dr. Socket set 1/4-3/4 12 point 200mm 9 pieces

SKU: KK-RS3405A/9
MPN: RS3405A/9

Save $12.69
Ko-ken RS3405M/12 3/8 Sq. Dr. Socket set 8-19mm 12 point 300mm 12 pieces

Ko-ken RS3405M/12 3/8 Sq. Dr. Socket set 8-19mm 12 point 300mm 12 pieces

SKU: KK-RS3405M/12
MPN: RS3405M/12

Save $15.63
Ko-ken RS3405M/8 3/8 Sq. Dr. Socket set 8-19mm 12 point 200mm 8 pieces

Ko-ken RS3405M/8 3/8 Sq. Dr. Socket set 8-19mm 12 point 200mm 8 pieces

SKU: KK-RS3405M/8
MPN: RS3405M/8

Save $10.02
Ko-ken RS3405W/7 3/8 Sq. Dr. Socket set Whitworth 1/8-1/2 12 point 200mm 7 pieces

Ko-ken RS3405W/7 3/8 Sq. Dr. Socket set Whitworth 1/8-1/2 12 point 200mm 7 pieces

SKU: KK-RS3405W/7
MPN: RS3405W/7

Save $13.53
Ko-ken RS3440M/8 3/8 Sq. Dr. Universal Socket set 8mm-19mm 6 point 200mm 8 pieces

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

Save $52.98
Ko-ken RS3445W/7 3/8 Sq. Dr. Universal Socket set Whitworth 1/8-1/2 12 point 200mm 7 pieces

Ko-ken RS3445W/7 3/8 Sq. Dr. Universal Socket set Whitworth 1/8-1/2 12 point 200mm 7 pieces

SKU: KK-RS3445W/7
MPN: RS3445W/7

Save $64.73
Ko-ken RS4127/6 1/2 Sq. Dr. Nut Twister set 17mm-25.4mm 200mm 6 pieces

Ko-ken RS4127/6 1/2 Sq. Dr. Nut Twister set 17mm-25.4mm 200mm 6 pieces

SKU: KK-RS4127/6
MPN: RS4127/6

Save $55.50
Ko-ken RS4300A/10 1/2 Sq. Dr. Socket set 3/8-15/16 6 point 300mm 10 pieces

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

Save $41.96
Ko-ken RS4300M/10 1/2 Sq. Dr. Socket set 10-22mm 6 point 300mm 10 pieces

Ko-ken RS4300M/10 1/2 Sq. Dr. Socket set 10-22mm 6 point 300mm 10 pieces

SKU: KK-RS4300M/10
MPN: RS4300M/10

Save $36.30
Ko-ken RS4305A/10 1/2 Sq. Dr. Socket set 3/8-15/16 12 point 300mm 10 pieces

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

Save $41.96