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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 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
Ko-ken 4405W-5/8 1/2 Sq. Dr. Socket Whitworth 5/8 12 point Length 43mm

Ko-ken 4405W-5/8 1/2 Sq. Dr. Socket Whitworth 5/8 12 point Length 43mm

SKU: KK-4405W-5/8
MPN: 4405W-5/8

Save $3.98
Ko-ken 4405W-7/16 1/2 Sq. Dr. Socket Whitworth 7/16 12 point Length 38mm

Ko-ken 4405W-7/16 1/2 Sq. Dr. Socket Whitworth 7/16 12 point Length 38mm

SKU: KK-4405W-7/16
MPN: 4405W-7/16

Save $2.46
Ko-ken 4405W-9/16 1/2 Sq. Dr. Socket Whitworth 9/16 12 point Length 42mm

Ko-ken 4405W-9/16 1/2 Sq. Dr. Socket Whitworth 9/16 12 point Length 42mm

SKU: KK-4405W-9/16
MPN: 4405W-9/16

Save $3.46
Ko-ken 4445A-1/2 1/2 Sq. Dr. Universal Socket 1/2 12 point Length 66mm

Ko-ken 4445A-1/2 1/2 Sq. Dr. Universal Socket 1/2 12 point Length 66mm

SKU: KK-4445A-1/2
MPN: 4445A-1/2

Save $9.89
Ko-ken 4445A-11/16 1/2 Sq. Dr. Universal Socket 11/16 12 point Length 69mm

Ko-ken 4445A-11/16 1/2 Sq. Dr. Universal Socket 11/16 12 point Length 69mm

SKU: KK-4445A-11/16
MPN: 4445A-11/16

Save $10.17
Ko-ken 4445A-3/8 1/2 Sq. Dr. Universal Socket 3/8 12 point Length 63mm

Ko-ken 4445A-3/8 1/2 Sq. Dr. Universal Socket 3/8 12 point Length 63mm

SKU: KK-4445A-3/8
MPN: 4445A-3/8

Save $9.56
Ko-ken 4445A-5/8 1/2 Sq. Dr. Universal Socket 5/8 12 point Length 68mm

Ko-ken 4445A-5/8 1/2 Sq. Dr. Universal Socket 5/8 12 point Length 68mm

SKU: KK-4445A-5/8
MPN: 4445A-5/8

Save $10.17
Ko-ken 4445A-7/16 1/2 Sq. Dr. Universal Socket 7/16 12 point Length 65mm

Ko-ken 4445A-7/16 1/2 Sq. Dr. Universal Socket 7/16 12 point Length 65mm

SKU: KK-4445A-7/16
MPN: 4445A-7/16

Save $9.56
Ko-ken 4445A-9/16 1/2 Sq. Dr. Universal Socket 9/16 12 point Length 66mm

Ko-ken 4445A-9/16 1/2 Sq. Dr. Universal Socket 9/16 12 point Length 66mm

SKU: KK-4445A-9/16
MPN: 4445A-9/16

Save $9.89
Ko-ken 4445M-10 1/2 Sq. Dr. Universal Socket 10mm 12 point Length 63mm

Ko-ken 4445M-10 1/2 Sq. Dr. Universal Socket 10mm 12 point Length 63mm

SKU: KK-4445M-10
MPN: 4445M-10

Save $8.13
Ko-ken 4445M-12 1/2 Sq. Dr. Universal Socket 12mm 12 point Length 65mm

Ko-ken 4445M-12 1/2 Sq. Dr. Universal Socket 12mm 12 point Length 65mm

SKU: KK-4445M-12
MPN: 4445M-12

Save $8.13
Ko-ken 4445M-13 1/2 Sq. Dr. Universal Socket 13mm 12 point Length 66mm

Ko-ken 4445M-13 1/2 Sq. Dr. Universal Socket 13mm 12 point Length 66mm

SKU: KK-4445M-13
MPN: 4445M-13

Save $8.41
Ko-ken 4445M-14 1/2 Sq. Dr. Universal Socket 14mm 12 point Length 66mm

Ko-ken 4445M-14 1/2 Sq. Dr. Universal Socket 14mm 12 point Length 66mm

SKU: KK-4445M-14
MPN: 4445M-14

Save $8.41
Ko-ken 4445M-17 1/2 Sq. Dr. Universal Socket 17mm 12 point Length 69mm

Ko-ken 4445M-17 1/2 Sq. Dr. Universal Socket 17mm 12 point Length 69mm

SKU: KK-4445M-17
MPN: 4445M-17

Save $8.41
Ko-ken 4445M-19 1/2 Sq. Dr. Universal Socket 19mm 12 point Length 71mm

Ko-ken 4445M-19 1/2 Sq. Dr. Universal Socket 19mm 12 point Length 71mm

SKU: KK-4445M-19
MPN: 4445M-19

Save $8.65
Ko-ken 4445M-21 1/2 Sq. Dr. Universal Socket 21mm 12 point Length 72mm

Ko-ken 4445M-21 1/2 Sq. Dr. Universal Socket 21mm 12 point Length 72mm

SKU: KK-4445M-21
MPN: 4445M-21

Save $8.95
Ko-ken 4445M-22 1/2 Sq. Dr. Universal Socket 22mm 12 point Length 72mm

Ko-ken 4445M-22 1/2 Sq. Dr. Universal Socket 22mm 12 point Length 72mm

SKU: KK-4445M-22
MPN: 4445M-22

Save $8.95
Ko-ken 6268M 3/4 Sq. Dr. Socket Set 12 point 15 pieces

Ko-ken 6268M 3/4 Sq. Dr. Socket Set 12 point 15 pieces

SKU: KK-6268M
MPN: 6268M

Save $165.25
Ko-ken 6405A-1 3/4 Sq. Dr. Socket 1 12 point Length 50mm

Ko-ken 6405A-1 3/4 Sq. Dr. Socket 1 12 point Length 50mm

SKU: KK-6405A-1
MPN: 6405A-1

Save $4.58
Ko-ken 6405A-1.1/16 3/4 Sq. Dr. Socket 1.1/16 12 point Length 53mm

Ko-ken 6405A-1.1/16 3/4 Sq. Dr. Socket 1.1/16 12 point Length 53mm

SKU: KK-6405A-1.1/16
MPN: 6405A-1.1/16

Save $4.58
Ko-ken 6405A-1.1/2 3/4 Sq. Dr. Socket 1.1/2 12 point Length 59mm

Ko-ken 6405A-1.1/2 3/4 Sq. Dr. Socket 1.1/2 12 point Length 59mm

SKU: KK-6405A-1.1/2
MPN: 6405A-1.1/2

Save $7.28
Ko-ken 6405A-1.1/4 3/4 Sq. Dr. Socket 1.1/4 12 point Length 57mm

Ko-ken 6405A-1.1/4 3/4 Sq. Dr. Socket 1.1/4 12 point Length 57mm

SKU: KK-6405A-1.1/4
MPN: 6405A-1.1/4

Save $5.41