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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 3445W-1/2 3/8 Sq. Dr. Universal Socket Whitworth 1/2 12 point Length 58.5mm

Ko-ken 3445W-1/2 3/8 Sq. Dr. Universal Socket Whitworth 1/2 12 point Length 58.5mm

SKU: KK-3445W-1/2
MPN: 3445W-1/2

Save $11.43
Ko-ken 3445W-1/4 3/8 Sq. Dr. Universal Socket Whitworth 1/4 12 point Length 51mm

Ko-ken 3445W-1/4 3/8 Sq. Dr. Universal Socket Whitworth 1/4 12 point Length 51mm

SKU: KK-3445W-1/4
MPN: 3445W-1/4

Save $8.63
Ko-ken 3445W-1/8 3/8 Sq. Dr. Universal Socket Whitworth 1/8 12 point Length 47.5mm

Ko-ken 3445W-1/8 3/8 Sq. Dr. Universal Socket Whitworth 1/8 12 point Length 47.5mm

SKU: KK-3445W-1/8
MPN: 3445W-1/8

Save $8.39
Ko-ken 3445W-3/16 3/8 Sq. Dr. Universal Socket Whitworth 3/16 12 point Length 49.5mm

Ko-ken 3445W-3/16 3/8 Sq. Dr. Universal Socket Whitworth 3/16 12 point Length 49.5mm

SKU: KK-3445W-3/16
MPN: 3445W-3/16

Save $8.39
Ko-ken 3445W-3/8 3/8 Sq. Dr. Universal Socket Whitworth 3/8 12 point Length 54.5mm

Ko-ken 3445W-3/8 3/8 Sq. Dr. Universal Socket Whitworth 3/8 12 point Length 54.5mm

SKU: KK-3445W-3/8
MPN: 3445W-3/8

Save $9.04
Ko-ken 3445W-5/16 3/8 Sq. Dr. Universal Socket Whitworth 5/16 12 point Length 53.5mm

Ko-ken 3445W-5/16 3/8 Sq. Dr. Universal Socket Whitworth 5/16 12 point Length 53.5mm

SKU: KK-3445W-5/16
MPN: 3445W-5/16

Save $8.63
Ko-ken 3445W-7/16 3/8 Sq. Dr. Universal Socket Whitworth 7/16 12 point Length 57.5mm

Ko-ken 3445W-7/16 3/8 Sq. Dr. Universal Socket Whitworth 7/16 12 point Length 57.5mm

SKU: KK-3445W-7/16
MPN: 3445W-7/16

Save $10.18
Ko-ken 4400W-1/2 1/2 Sq. Dr. Socket Whitworth 1/2 6 point Length 40mm

Ko-ken 4400W-1/2 1/2 Sq. Dr. Socket Whitworth 1/2 6 point Length 40mm

SKU: KK-4400W-1/2
MPN: 4400W-1/2

Save $2.66
Ko-ken 4400W-1/4 1/2 Sq. Dr. Socket Whitworth 1/4 6 point Length 37mm

Ko-ken 4400W-1/4 1/2 Sq. Dr. Socket Whitworth 1/4 6 point Length 37mm

SKU: KK-4400W-1/4
MPN: 4400W-1/4

Save $1.81
Ko-ken 4400W-11/16 1/2 Sq. Dr. Socket Whitworth 11/16 6 point Length 46mm

Ko-ken 4400W-11/16 1/2 Sq. Dr. Socket Whitworth 11/16 6 point Length 46mm

SKU: KK-4400W-11/16
MPN: 4400W-11/16

Save $4.55
Ko-ken 4400W-3/16 1/2 Sq. Dr. Socket Whitworth 3/16 6 point Length 37mm

Ko-ken 4400W-3/16 1/2 Sq. Dr. Socket Whitworth 3/16 6 point Length 37mm

SKU: KK-4400W-3/16
MPN: 4400W-3/16

Save $1.81
Ko-ken 4400W-3/4 1/2 Sq. Dr. Socket Whitworth 3/4 6 point Length 47mm

Ko-ken 4400W-3/4 1/2 Sq. Dr. Socket Whitworth 3/4 6 point Length 47mm

SKU: KK-4400W-3/4
MPN: 4400W-3/4

Save $6.68
Ko-ken 4400W-3/8 1/2 Sq. Dr. Socket Whitworth 3/8 6 point Length 37mm

Ko-ken 4400W-3/8 1/2 Sq. Dr. Socket Whitworth 3/8 6 point Length 37mm

SKU: KK-4400W-3/8
MPN: 4400W-3/8

Save $2.05
Ko-ken 4400W-5/16 1/2 Sq. Dr. Socket Whitworth 5/16 6 point Length 37mm

Ko-ken 4400W-5/16 1/2 Sq. Dr. Socket Whitworth 5/16 6 point Length 37mm

SKU: KK-4400W-5/16
MPN: 4400W-5/16

Save $1.90
Ko-ken 4400W-5/8 1/2 Sq. Dr. Socket Whitworth 5/8 6 point Length 43mm

Ko-ken 4400W-5/8 1/2 Sq. Dr. Socket Whitworth 5/8 6 point Length 43mm

SKU: KK-4400W-5/8
MPN: 4400W-5/8

Save $3.98
Ko-ken 4400W-7/16 1/2 Sq. Dr. Socket Whitworth 7/16 6 point Length 38mm

Ko-ken 4400W-7/16 1/2 Sq. Dr. Socket Whitworth 7/16 6 point Length 38mm

SKU: KK-4400W-7/16
MPN: 4400W-7/16

Save $2.46
Ko-ken 4400W-9/16 1/2 Sq. Dr. Socket Whitworth 9/16 6 point Length 42mm

Ko-ken 4400W-9/16 1/2 Sq. Dr. Socket Whitworth 9/16 6 point Length 42mm

SKU: KK-4400W-9/16
MPN: 4400W-9/16

Save $3.46
Ko-ken 4405W-1/2 1/2 Sq. Dr. Socket Whitworth 1/2 12 point Length 40mm

Ko-ken 4405W-1/2 1/2 Sq. Dr. Socket Whitworth 1/2 12 point Length 40mm

SKU: KK-4405W-1/2
MPN: 4405W-1/2

Save $2.66
Ko-ken 4405W-1/4 1/2 Sq. Dr. Socket Whitworth 1/4 12 point Length 37mm

Ko-ken 4405W-1/4 1/2 Sq. Dr. Socket Whitworth 1/4 12 point Length 37mm

SKU: KK-4405W-1/4
MPN: 4405W-1/4

Save $1.81
Ko-ken 4405W-11/16 1/2 Sq. Dr. Socket Whitworth 11/16 12 point Length 46mm

Ko-ken 4405W-11/16 1/2 Sq. Dr. Socket Whitworth 11/16 12 point Length 46mm

SKU: KK-4405W-11/16
MPN: 4405W-11/16

Save $4.55
Ko-ken 4405W-3/16 1/2 Sq. Dr. Socket Whitworth 3/16 12 point Length 37mm

Ko-ken 4405W-3/16 1/2 Sq. Dr. Socket Whitworth 3/16 12 point Length 37mm

SKU: KK-4405W-3/16
MPN: 4405W-3/16

Save $1.81
Ko-ken 4405W-3/4 1/2 Sq. Dr. Socket Whitworth 3/4 12 point Length 47mm

Ko-ken 4405W-3/4 1/2 Sq. Dr. Socket Whitworth 3/4 12 point Length 47mm

SKU: KK-4405W-3/4
MPN: 4405W-3/4

Save $6.68
Ko-ken 4405W-3/8 1/2 Sq. Dr. Socket Whitworth 3/8 12 point Length 37mm

Ko-ken 4405W-3/8 1/2 Sq. Dr. Socket Whitworth 3/8 12 point Length 37mm

SKU: KK-4405W-3/8
MPN: 4405W-3/8

Save $2.05
Ko-ken 4405W-5/16 1/2 Sq. Dr. Socket Whitworth 5/16 12 point Length 37mm

Ko-ken 4405W-5/16 1/2 Sq. Dr. Socket Whitworth 5/16 12 point Length 37mm

SKU: KK-4405W-5/16
MPN: 4405W-5/16

Save $1.90