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KK Hand Tools

Ko-Ken hand tools include professional-grade tools and accessories used for assembly, maintenance, and repair in automotive, industrial, and MRO environments (application dependent). Technicians and maintenance teams typically choose these tools for consistent fit on fasteners, durability under daily use, and better access in tight spaces. Because “hand tools” covers many categories, selecting the right item is mainly about matching the tool type and specifications to your fastener sizes, drive system, and working conditions (per listing).


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