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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 RS4025/9-IP 1/2 Sq. Dr. Bit Socket set TORXPLUS 20IP-60IP 250mm 9 pieces

Ko-ken RS4025/9-IP 1/2 Sq. Dr. Bit Socket set TORXPLUS 20IP-60IP 250mm 9 pieces

SKU: KK-RS4025/9-IP
MPN: RS4025/9-IP

Save $31.37
Ko-ken RS4025/9-L60 1/2 Sq. Dr. Bit Socket set TORX T20-T60 250mm 9 pieces

Ko-ken RS4025/9-L60 1/2 Sq. Dr. Bit Socket set TORX T20-T60 250mm 9 pieces

SKU: KK-RS4025/9-L60
MPN: RS4025/9-L60

Save $26.12
Ko-ken RS4027/6-L60 1/2 Sq. Dr. Bit Socket set Ribe-CV M5-M16 200mm 6 pieces

Ko-ken RS4027/6-L60 1/2 Sq. Dr. Bit Socket set Ribe-CV M5-M16 200mm 6 pieces

SKU: KK-RS4027/6-L60
MPN: RS4027/6-L60

Save $25.18
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 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

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

Save $20.14
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
Ko-ken RS4305M/10 1/2 Sq. Dr. Socket set 10-22mm 12 point 300mm 10 pieces

Ko-ken RS4305M/10 1/2 Sq. Dr. Socket set 10-22mm 12 point 300mm 10 pieces

SKU: KK-RS4305M/10
MPN: RS4305M/10

Save $36.30
Ko-ken RS4310M/10 1/2 Sq. Dr. Socket set 10-22mm Surface 300mm 10 pieces

Ko-ken RS4310M/10 1/2 Sq. Dr. Socket set 10-22mm Surface 300mm 10 pieces

SKU: KK-RS4310M/10
MPN: RS4310M/10

Save $38.08
Ko-ken RS4325/7 1/2 Sq. Dr. Socket set TORX E10-E24 200mm 7 pieces

Ko-ken RS4325/7 1/2 Sq. Dr. Socket set TORX E10-E24 200mm 7 pieces

SKU: KK-RS4325/7
MPN: RS4325/7

Save $29.69
Ko-ken RS4400A/10 1/2 Sq. Dr. Socket Set 3/8-15/16 6 point 300mm 10 pieces

Ko-ken RS4400A/10 1/2 Sq. Dr. Socket Set 3/8-15/16 6 point 300mm 10 pieces

SKU: KK-RS4400A/10
MPN: RS4400A/10

Save $17.94
Ko-ken RS4400LH/6 1/2 Sq. Dr. Socket set 6S-16S 200mm 6 pieces

Ko-ken RS4400LH/6 1/2 Sq. Dr. Socket set 6S-16S 200mm 6 pieces

SKU: KK-RS4400LH/6
MPN: RS4400LH/6

Save $13.53
Ko-ken RS4400M/10 1/2 Sq. Dr. Socket Set 10-22mm 6 point 300mm 10 pieces

Ko-ken RS4400M/10 1/2 Sq. Dr. Socket Set 10-22mm 6 point 300mm 10 pieces

SKU: KK-RS4400M/10
MPN: RS4400M/10

Save $14.69
Ko-ken RS4400W/8 1/2 Sq. Dr. Socket Set Whitworth 3/16-5/8 6 point 250mm 8 pieces

Ko-ken RS4400W/8 1/2 Sq. Dr. Socket Set Whitworth 3/16-5/8 6 point 250mm 8 pieces

SKU: KK-RS4400W/8
MPN: RS4400W/8

Save $20.24
Ko-ken RS4405A/10 1/2 Sq. Dr. Socket Set 3/8-15/16 12 point 300mm 10 pieces

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

Save $17.94
Ko-ken RS4405M/10 1/2 Sq. Dr. Socket Set 10-22mm 12 point 300mm 10 pieces

Ko-ken RS4405M/10 1/2 Sq. Dr. Socket Set 10-22mm 12 point 300mm 10 pieces

SKU: KK-RS4405M/10
MPN: RS4405M/10

Save $14.69
Ko-ken RS4405W/8 1/2 Sq. Dr. Socket Set Whitworth 3/16-5/8 12 point 250mm 8 pieces

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

Save $20.24
Ko-ken RS4410M/10 1/2 Sq. Dr. Socket set 10-22mm Surface 300mm 10 pieces

Ko-ken RS4410M/10 1/2 Sq. Dr. Socket set 10-22mm Surface 300mm 10 pieces

SKU: KK-RS4410M/10
MPN: RS4410M/10

Save $16.36
Ko-ken RS4425/6-EPL 1/2 Sq. Dr. Socket set TORXPLUS 10EPL-20EPL Low Profile 200mm 6 pieces

Ko-ken RS4425/6-EPL 1/2 Sq. Dr. Socket set TORXPLUS 10EPL-20EPL Low Profile 200mm 6 pieces

SKU: KK-RS4425/6-EPL
MPN: RS4425/6-EPL

Save $23.29
Ko-ken RS4425/6-N 1/2 Sq. Dr. Socket set TORX E10N-E20N Low Profile 200mm 6 pieces

Ko-ken RS4425/6-N 1/2 Sq. Dr. Socket set TORX E10N-E20N Low Profile 200mm 6 pieces

SKU: KK-RS4425/6-N
MPN: RS4425/6-N

Save $13.85
Ko-ken RS4425/7 1/2 Sq. Dr. Socket set TORX E10-E24 200mm 7 pieces

Ko-ken RS4425/7 1/2 Sq. Dr. Socket set TORX E10-E24 200mm 7 pieces

SKU: KK-RS4425/7
MPN: RS4425/7

Save $12.90
Ko-ken RSX025/11-IP 1/4, 3/8, 1/2 Sq. Dr. Bit Socket set TORXPLUS 10IP-60IP 200mm 11 pieces

Ko-ken RSX025/11-IP 1/4, 3/8, 1/2 Sq. Dr. Bit Socket set TORXPLUS 10IP-60IP 200mm 11 pieces

SKU: KK-RSX025/11-IP
MPN: RSX025/11-IP

Save $35.46