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 3445M-10 3/8 Sq. Dr. Universal Socket 10mm 12 point Length 48.5mm
SKU: KK-3445M-10
MPN: 3445M-10
Ko-ken 3445M-11 3/8 Sq. Dr. Universal Socket 11mm 12 point Length 49.5mm
SKU: KK-3445M-11
MPN: 3445M-11
Ko-ken 3445M-12 3/8 Sq. Dr. Universal Socket 12mm 12 point Length 50mm
SKU: KK-3445M-12
MPN: 3445M-12
Ko-ken 3445M-13 3/8 Sq. Dr. Universal Socket 13mm 12 point Length 51mm
SKU: KK-3445M-13
MPN: 3445M-13
Ko-ken 3445M-14 3/8 Sq. Dr. Universal Socket 14mm 12 point Length 51mm
SKU: KK-3445M-14
MPN: 3445M-14
Ko-ken 3445M-15 3/8 Sq. Dr. Universal Socket 15mm 12 point Length 53.5mm
SKU: KK-3445M-15
MPN: 3445M-15
Ko-ken 3445M-16 3/8 Sq. Dr. Universal Socket 16mm 12 point Length 53.5mm
SKU: KK-3445M-16
MPN: 3445M-16
Ko-ken 3445M-17 3/8 Sq. Dr. Universal Socket 17mm 12 point Length 54.5mm
SKU: KK-3445M-17
MPN: 3445M-17
Ko-ken 3445M-18 3/8 Sq. Dr. Universal Socket 18mm 12 point Length 54.5mm
SKU: KK-3445M-18
MPN: 3445M-18
Ko-ken 3445M-19 3/8 Sq. Dr. Universal Socket 19mm 12 point Length 56.5mm
SKU: KK-3445M-19
MPN: 3445M-19
Ko-ken 3445M-21 3/8 Sq. Dr. Universal Socket 21mm 12 point Length 56.5mm
SKU: KK-3445M-21
MPN: 3445M-21
Ko-ken 3445M-8 3/8 Sq. Dr. Universal Socket 8mm 12 point Length 47mm
SKU: KK-3445M-8
MPN: 3445M-8
Ko-ken 3445M-9 3/8 Sq. Dr. Universal Socket 9mm 12 point Length 47.5mm
SKU: KK-3445M-9
MPN: 3445M-9
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
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
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
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
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
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
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
Ko-ken 4300S-16 1/2 Sq. Dr. Spark Plug Socket 16mm 6 point Length 70mm Rubber
SKU: KK-4300S-16
MPN: 4300S-16
Ko-ken 4300S-18 1/2 Sq. Dr. Spark Plug Socket 18mm 6 point Length 70mm Rubber
SKU: KK-4300S-18
MPN: 4300S-18
Ko-ken 4300S-20.8 1/2 Sq. Dr. Spark Plug Socket 20.8mm 6 point Length 70mm Rubber
SKU: KK-4300S-20.8
MPN: 4300S-20.8
Ko-ken 4305A-1 1/2 Sq. Dr. Socket 1 12 point Length 77mm
SKU: KK-4305A-1
MPN: 4305A-1