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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 3774JL 3/8 Sq. Dr. Ratchet Handle 24 teeth Locking Flexible Head Length 285mm Plastic Handle

Ko-ken 3774JL 3/8 Sq. Dr. Ratchet Handle 24 teeth Locking Flexible Head Length 285mm Plastic Handle

SKU: KK-3774JL
MPN: 3774JL

Save $24.86
Ko-ken 3774N 3/8 Sq. Dr. Ratchet Handle 24 teeth Flexible Head Length 265mm Metal Handle

Ko-ken 3774N 3/8 Sq. Dr. Ratchet Handle 24 teeth Flexible Head Length 265mm Metal Handle

SKU: KK-3774N
MPN: 3774N

Save $17.83
Ko-ken 3774NB 3/8 Sq. Dr. Ratchet Handle 24 teeth Flexible Head Length 265mm Push Button Metal Handle

Ko-ken 3774NB 3/8 Sq. Dr. Ratchet Handle 24 teeth Flexible Head Length 265mm Push Button Metal Handle

SKU: KK-3774NB
MPN: 3774NB

Save $19.09
Ko-ken 3774NL 3/8 Sq. Dr. Ratchet Handle 24 teeth Locking Flexible Head Length 265mm Metal Handle

Ko-ken 3774NL 3/8 Sq. Dr. Ratchet Handle 24 teeth Locking Flexible Head Length 265mm Metal Handle

SKU: KK-3774NL
MPN: 3774NL

Save $22.45
Ko-ken 3774P 3/8 Sq. Dr. Ratchet Handle 24 teeth Flexible Head Length 265mm Polished Handle

Ko-ken 3774P 3/8 Sq. Dr. Ratchet Handle 24 teeth Flexible Head Length 265mm Polished Handle

SKU: KK-3774P
MPN: 3774P

Save $19.93
Ko-ken 3774P-SR 3/8 Sq. Dr. Ratchet Handle 24 teeth Flexible Head Length 310mm Polished Handle

Ko-ken 3774P-SR 3/8 Sq. Dr. Ratchet Handle 24 teeth Flexible Head Length 310mm Polished Handle

SKU: KK-3774P-SR
MPN: 3774P-SR

Save $25.81
Ko-ken 3774PB 3/8 Sq. Dr. Ratchet Handle 24 teeth Flexible Head Length 265mm Push Button Polished Handle

Ko-ken 3774PB 3/8 Sq. Dr. Ratchet Handle 24 teeth Flexible Head Length 265mm Push Button Polished Handle

SKU: KK-3774PB
MPN: 3774PB

Save $21.51
Ko-ken 3774PL 3/8 Sq. Dr. Ratchet Handle 24 teeth Locking Flexible Head Length 265mm Polished Handle

Ko-ken 3774PL 3/8 Sq. Dr. Ratchet Handle 24 teeth Locking Flexible Head Length 265mm Polished Handle

SKU: KK-3774PL
MPN: 3774PL

Save $24.55
Ko-ken 3774PS 3/8 Sq. Dr. Ratchet Handle 24 teeth Flexible Head Length 175mm Polished Handle

Ko-ken 3774PS 3/8 Sq. Dr. Ratchet Handle 24 teeth Flexible Head Length 175mm Polished Handle

SKU: KK-3774PS
MPN: 3774PS

Save $19.93
Ko-ken 3776J 3/8 Sq. Dr. Ratchet Handle 45 teeth Swivel Head Length 280mm Plastic Handle

Ko-ken 3776J 3/8 Sq. Dr. Ratchet Handle 45 teeth Swivel Head Length 280mm Plastic Handle

SKU: KK-3776J
MPN: 3776J

Save $31.57
Ko-ken 3776N 3/8 Sq. Dr. Ratchet Handle 45 teeth Swivel Head Length 280mm Metal Handle

Ko-ken 3776N 3/8 Sq. Dr. Ratchet Handle 45 teeth Swivel Head Length 280mm Metal Handle

SKU: KK-3776N
MPN: 3776N

Save $31.06
Ko-ken 3776P 3/8 Sq. Dr. Ratchet Handle 45 teeth Swivel Head Length 280mm Polished Handle

Ko-ken 3776P 3/8 Sq. Dr. Ratchet Handle 45 teeth Swivel Head Length 280mm Polished Handle

SKU: KK-3776P
MPN: 3776P

Save $31.57
Ko-ken 4000.60-2 1/2 Sq. Dr. Bit Socket PH2 Length 60mm

Ko-ken 4000.60-2 1/2 Sq. Dr. Bit Socket PH2 Length 60mm

SKU: KK-4000.60-2
MPN: 4000.60-2

Save $2.72
Ko-ken 4000.60-3 1/2 Sq. Dr. Bit Socket PH3 Length 60mm

Ko-ken 4000.60-3 1/2 Sq. Dr. Bit Socket PH3 Length 60mm

SKU: KK-4000.60-3
MPN: 4000.60-3

Save $2.72
Ko-ken 4000.60-4 1/2 Sq. Dr. Bit Socket PH4 Length 60mm

Ko-ken 4000.60-4 1/2 Sq. Dr. Bit Socket PH4 Length 60mm

SKU: KK-4000.60-4
MPN: 4000.60-4

Save $2.72
Ko-ken 4000.60-PZ2 1/2 Sq. Dr. Bit Socket PZ2 Length 60mm

Ko-ken 4000.60-PZ2 1/2 Sq. Dr. Bit Socket PZ2 Length 60mm

SKU: KK-4000.60-PZ2
MPN: 4000.60-PZ2

Save $3
Ko-ken 4000.60-PZ3 1/2 Sq. Dr. Bit Socket PZ3 Length 60mm

Ko-ken 4000.60-PZ3 1/2 Sq. Dr. Bit Socket PZ3 Length 60mm

SKU: KK-4000.60-PZ3
MPN: 4000.60-PZ3

Save $3
Ko-ken 4001-3 1/2 Sq. Dr. Bit Socket PH3 Length 60mm

Ko-ken 4001-3 1/2 Sq. Dr. Bit Socket PH3 Length 60mm

SKU: KK-4001-3
MPN: 4001-3

Save $3.36
Ko-ken 4005.60-10 1/2 Sq. Dr. Bit Socket Slotted 1.6x10 Length 60mm

Ko-ken 4005.60-10 1/2 Sq. Dr. Bit Socket Slotted 1.6x10 Length 60mm

SKU: KK-4005.60-10
MPN: 4005.60-10

Save $3.40
Ko-ken 4005.60-12 1/2 Sq. Dr. Bit Socket Slotted 2.0x12 Length 60mm

Ko-ken 4005.60-12 1/2 Sq. Dr. Bit Socket Slotted 2.0x12 Length 60mm

SKU: KK-4005.60-12
MPN: 4005.60-12

Save $3.40
Ko-ken 4005.60-14 1/2 Sq. Dr. Bit Socket Slotted 2.5x14 Length 60mm

Ko-ken 4005.60-14 1/2 Sq. Dr. Bit Socket Slotted 2.5x14 Length 60mm

SKU: KK-4005.60-14
MPN: 4005.60-14

Save $3.49
Ko-ken 4005.60-16 1/2 Sq. Dr. Bit Socket Slotted 2.5x16 Length 60mm

Ko-ken 4005.60-16 1/2 Sq. Dr. Bit Socket Slotted 2.5x16 Length 60mm

SKU: KK-4005.60-16
MPN: 4005.60-16

Save $4.06
Ko-ken 4005.60-8 1/2 Sq. Dr. Bit Socket Slotted 1.2x8 Length 60mm

Ko-ken 4005.60-8 1/2 Sq. Dr. Bit Socket Slotted 1.2x8 Length 60mm

SKU: KK-4005.60-8
MPN: 4005.60-8

Save $3.29
Ko-ken 4006-10 1/2 Sq. Dr. Bit Socket Slotted 1.6x10 Length 60mm

Ko-ken 4006-10 1/2 Sq. Dr. Bit Socket Slotted 1.6x10 Length 60mm

SKU: KK-4006-10
MPN: 4006-10

Save $3.33