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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 3749S-1/2 1/2 Sq. Dr. Ratchet Handle 24 teeth Short Length 110mm

Ko-ken 3749S-1/2 1/2 Sq. Dr. Ratchet Handle 24 teeth Short Length 110mm

SKU: KK-3749S-1/2
MPN: 3749S-1/2

Save $12.06
Ko-ken 3749SB 3/8 Sq. Dr. Ratchet Handle 24 teeth Short Length 110mm Push Button

Ko-ken 3749SB 3/8 Sq. Dr. Ratchet Handle 24 teeth Short Length 110mm Push Button

SKU: KK-3749SB
MPN: 3749SB

Save $13.32
Ko-ken 3749SB-1/2 1/2 Sq. Dr. Ratchet Handle 24 teeth Short Length 110mm Push Button

Ko-ken 3749SB-1/2 1/2 Sq. Dr. Ratchet Handle 24 teeth Short Length 110mm Push Button

SKU: KK-3749SB-1/2
MPN: 3749SB-1/2

Save $14.16
Ko-ken 3752J 3/8 Sq. Dr. Ratchet Handle 45 teeth Length 200mm Plastic Handle

Ko-ken 3752J 3/8 Sq. Dr. Ratchet Handle 45 teeth Length 200mm Plastic Handle

SKU: KK-3752J
MPN: 3752J

Save $18.25
Ko-ken 3752N 3/8 Sq. Dr. Ratchet Handle 45 teeth Length 200mm Metal Handle

Ko-ken 3752N 3/8 Sq. Dr. Ratchet Handle 45 teeth Length 200mm Metal Handle

SKU: KK-3752N
MPN: 3752N

Save $17.52
Ko-ken 3753J 3/8 Sq. Dr. Ratchet Handle 24 teeth Length 200mm Plastic Handle

Ko-ken 3753J 3/8 Sq. Dr. Ratchet Handle 24 teeth Length 200mm Plastic Handle

SKU: KK-3753J
MPN: 3753J

Save $11.96
Ko-ken 3753JB 3/8 Sq. Dr. Ratchet Handle 24 teeth Length 200mm Push Button Plastic Handle

Ko-ken 3753JB 3/8 Sq. Dr. Ratchet Handle 24 teeth Length 200mm Push Button Plastic Handle

SKU: KK-3753JB
MPN: 3753JB

Save $14.47
Ko-ken 3753N 3/8 Sq. Dr. Ratchet Handle 24 teeth Length 200mm Metal Handle

Ko-ken 3753N 3/8 Sq. Dr. Ratchet Handle 24 teeth Length 200mm Metal Handle

SKU: KK-3753N
MPN: 3753N

Save $10.91
Ko-ken 3753NB 3/8 Sq. Dr. Ratchet Handle 24 teeth Length 200mm Push Button Metal Handle

Ko-ken 3753NB 3/8 Sq. Dr. Ratchet Handle 24 teeth Length 200mm Push Button Metal Handle

SKU: KK-3753NB
MPN: 3753NB

Save $13.85
Ko-ken 3753P 3/8 Sq. Dr. Ratchet Handle 24 teeth Length 200mm Polished Handle

Ko-ken 3753P 3/8 Sq. Dr. Ratchet Handle 24 teeth Length 200mm Polished Handle

SKU: KK-3753P
MPN: 3753P

Save $11.01
Ko-ken 3753P-250 3/8 Sq. Dr. Ratchet Handle 24 teeth Long Length 250mm Polished Handle

Ko-ken 3753P-250 3/8 Sq. Dr. Ratchet Handle 24 teeth Long Length 250mm Polished Handle

SKU: KK-3753P-250
MPN: 3753P-250

Save $15.31
Ko-ken 3753PB 3/8 Sq. Dr. Ratchet Handle 24 teeth Length 200mm Push Button Polished Handle

Ko-ken 3753PB 3/8 Sq. Dr. Ratchet Handle 24 teeth Length 200mm Push Button Polished Handle

SKU: KK-3753PB
MPN: 3753PB

Save $13.85
Ko-ken 4749J-380 1/2 Sq. Dr. Ratchet Handle 24 teeth Length 380mm Plastic Handle

Ko-ken 4749J-380 1/2 Sq. Dr. Ratchet Handle 24 teeth Length 380mm Plastic Handle

SKU: KK-4749J-380
MPN: 4749J-380

Save $20.98
Ko-ken 4749N-250 1/2 Sq. Dr. Ratchet Handle 24 teeth Length 250mm Metal Handle

Ko-ken 4749N-250 1/2 Sq. Dr. Ratchet Handle 24 teeth Length 250mm Metal Handle

SKU: KK-4749N-250
MPN: 4749N-250

Save $13.22
Ko-ken 4749N-380 1/2 Sq. Dr. Ratchet Handle 24 teeth Length 380mm Metal Handle

Ko-ken 4749N-380 1/2 Sq. Dr. Ratchet Handle 24 teeth Length 380mm Metal Handle

SKU: KK-4749N-380
MPN: 4749N-380

Save $21.30
Ko-ken 4750J 1/2 Sq. Dr. Ratchet Handle 30 teeth Length 250mm Plastic Handle

Ko-ken 4750J 1/2 Sq. Dr. Ratchet Handle 30 teeth Length 250mm Plastic Handle

SKU: KK-4750J
MPN: 4750J

Save $16.99
Ko-ken 4750JB 1/2 Sq. Dr. Ratchet Handle 30 teeth Length 250mm Push Button Plastic Handle

Ko-ken 4750JB 1/2 Sq. Dr. Ratchet Handle 30 teeth Length 250mm Push Button Plastic Handle

SKU: KK-4750JB
MPN: 4750JB

Save $20.14
Ko-ken 4750N 1/2 Sq. Dr. Ratchet Handle 30 teeth Length 250mm Metal Handle

Ko-ken 4750N 1/2 Sq. Dr. Ratchet Handle 30 teeth Length 250mm Metal Handle

SKU: KK-4750N
MPN: 4750N

Save $16.99
Ko-ken 4750NB 1/2 Sq. Dr. Ratchet Handle 30 teeth Length 250mm Push Button Metal Handle

Ko-ken 4750NB 1/2 Sq. Dr. Ratchet Handle 30 teeth Length 250mm Push Button Metal Handle

SKU: KK-4750NB
MPN: 4750NB

Save $20.14
Ko-ken 4750P 1/2 Sq. Dr. Ratchet Handle 30 teeth Length 250mm Polished Handle

Ko-ken 4750P 1/2 Sq. Dr. Ratchet Handle 30 teeth Length 250mm Polished Handle

SKU: KK-4750P
MPN: 4750P

Save $16.99
Ko-ken 4750PB 1/2 Sq. Dr. Ratchet Handle 30 teeth Length 250mm Push Button Polished Handle

Ko-ken 4750PB 1/2 Sq. Dr. Ratchet Handle 30 teeth Length 250mm Push Button Polished Handle

SKU: KK-4750PB
MPN: 4750PB

Save $20.14
Ko-ken 4752J 1/2 Sq. Dr. Ratchet Handle 45 teeth Length 250mm Plastic Handle

Ko-ken 4752J 1/2 Sq. Dr. Ratchet Handle 45 teeth Length 250mm Plastic Handle

SKU: KK-4752J
MPN: 4752J

Save $20.35
Ko-ken 4752N 1/2 Sq. Dr. Ratchet Handle 45 teeth Length 250mm Metal Handle

Ko-ken 4752N 1/2 Sq. Dr. Ratchet Handle 45 teeth Length 250mm Metal Handle

SKU: KK-4752N
MPN: 4752N

Save $18.57
Ko-ken 4753J 1/2 Sq. Dr. Ratchet Handle 24 teeth Length 250mm Plastic Handle

Ko-ken 4753J 1/2 Sq. Dr. Ratchet Handle 24 teeth Length 250mm Plastic Handle

SKU: KK-4753J
MPN: 4753J

Save $14.16