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 4400M-28 1/2 Sq. Dr. Socket 28mm 6 point Length 43mm
SKU: KK-4400M-28
MPN: 4400M-28
Ko-ken 4400M-29 1/2 Sq. Dr. Socket 29mm 6 point Length 43mm
SKU: KK-4400M-29
MPN: 4400M-29
Ko-ken 4400M-30 1/2 Sq. Dr. Socket 30mm 6 point Length 46mm
SKU: KK-4400M-30
MPN: 4400M-30
Ko-ken 4400M-31 1/2 Sq. Dr. Socket 31mm 6 point Length 46mm
SKU: KK-4400M-31
MPN: 4400M-31
Ko-ken 4400M-32 1/2 Sq. Dr. Socket 32mm 6 point Length 46mm
SKU: KK-4400M-32
MPN: 4400M-32
Ko-ken 4400M-33 1/2 Sq. Dr. Socket 33mm 6 point Length 47mm
SKU: KK-4400M-33
MPN: 4400M-33
Ko-ken 4400M-34 1/2 Sq. Dr. Socket 34mm 6 point Length 47mm
SKU: KK-4400M-34
MPN: 4400M-34
Ko-ken 4400M-35 1/2 Sq. Dr. Socket 35mm 6 point Length 47mm
SKU: KK-4400M-35
MPN: 4400M-35
Ko-ken 4400M-36 1/2 Sq. Dr. Socket 36mm 6 point Length 47mm
SKU: KK-4400M-36
MPN: 4400M-36
Ko-ken 4400M-37 1/2 Sq. Dr. Socket 37mm 6 point Length 47mm
SKU: KK-4400M-37
MPN: 4400M-37
Ko-ken 4400M-38 1/2 Sq. Dr. Socket 38mm 6 point Length 47mm
SKU: KK-4400M-38
MPN: 4400M-38
Ko-ken 4400M-41 1/2 Sq. Dr. Socket 41mm 6 point Length 57mm
SKU: KK-4400M-41
MPN: 4400M-41
Ko-ken 4400M-46 1/2 Sq. Dr. Socket 46mm 6 point Length 60mm
SKU: KK-4400M-46
MPN: 4400M-46
Ko-ken 4400M-6 1/2 Sq. Dr. Socket 6mm 6 point Length 36mm
SKU: KK-4400M-6
MPN: 4400M-6
Ko-ken 4400M-7 1/2 Sq. Dr. Socket 7mm 6 point Length 36mm
SKU: KK-4400M-7
MPN: 4400M-7
Ko-ken 4400M-8 1/2 Sq. Dr. Socket 8mm 6 point Length 36mm
SKU: KK-4400M-8
MPN: 4400M-8
Ko-ken 4400M-9 1/2 Sq. Dr. Socket 9mm 6 point Length 37mm
SKU: KK-4400M-9
MPN: 4400M-9
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
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
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
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
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
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
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