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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 3405W-1/2 3/8 Sq. Dr. Socket Whitworth 1/2 12 point Length 33mm

Ko-ken 3405W-1/2 3/8 Sq. Dr. Socket Whitworth 1/2 12 point Length 33mm

SKU: KK-3405W-1/2
MPN: 3405W-1/2

Save $2.66
Ko-ken 3405W-1/4 3/8 Sq. Dr. Socket Whitworth 1/4 12 point Length 26mm

Ko-ken 3405W-1/4 3/8 Sq. Dr. Socket Whitworth 1/4 12 point Length 26mm

SKU: KK-3405W-1/4
MPN: 3405W-1/4

Save $1.72
Ko-ken 3405W-1/8 3/8 Sq. Dr. Socket Whitworth 1/8 12 point Length 26mm

Ko-ken 3405W-1/8 3/8 Sq. Dr. Socket Whitworth 1/8 12 point Length 26mm

SKU: KK-3405W-1/8
MPN: 3405W-1/8

Save $1.41
Ko-ken 3405W-3/16 3/8 Sq. Dr. Socket Whitworth 3/16 12 point Length 26mm

Ko-ken 3405W-3/16 3/8 Sq. Dr. Socket Whitworth 3/16 12 point Length 26mm

SKU: KK-3405W-3/16
MPN: 3405W-3/16

Save $1.41
Ko-ken 3405W-3/8 3/8 Sq. Dr. Socket Whitworth 3/8 12 point Length 30mm

Ko-ken 3405W-3/8 3/8 Sq. Dr. Socket Whitworth 3/8 12 point Length 30mm

SKU: KK-3405W-3/8
MPN: 3405W-3/8

Save $1.96
Ko-ken 3405W-5/16 3/8 Sq. Dr. Socket Whitworth 5/16 12 point Length 28mm

Ko-ken 3405W-5/16 3/8 Sq. Dr. Socket Whitworth 5/16 12 point Length 28mm

SKU: KK-3405W-5/16
MPN: 3405W-5/16

Save $1.90
Ko-ken 3405W-7/16 3/8 Sq. Dr. Socket Whitworth 7/16 12 point Length 32mm

Ko-ken 3405W-7/16 3/8 Sq. Dr. Socket Whitworth 7/16 12 point Length 32mm

SKU: KK-3405W-7/16
MPN: 3405W-7/16

Save $2.41
Ko-ken 3405W-9/16 3/8 Sq. Dr. Socket Whitworth 9/16 12 point Length 35mm

Ko-ken 3405W-9/16 3/8 Sq. Dr. Socket Whitworth 9/16 12 point Length 35mm

SKU: KK-3405W-9/16
MPN: 3405W-9/16

Save $3.62
Ko-ken 3410M-10 3/8 Sq. Dr. Socket 10mm Surface Length 26mm

Ko-ken 3410M-10 3/8 Sq. Dr. Socket 10mm Surface Length 26mm

SKU: KK-3410M-10
MPN: 3410M-10

Save $1.14
Ko-ken 3410M-11 3/8 Sq. Dr. Socket 11mm Surface Length 26mm

Ko-ken 3410M-11 3/8 Sq. Dr. Socket 11mm Surface Length 26mm

SKU: KK-3410M-11
MPN: 3410M-11

Save $1.14
Ko-ken 3410M-12 3/8 Sq. Dr. Socket 12mm Surface Length 26mm

Ko-ken 3410M-12 3/8 Sq. Dr. Socket 12mm Surface Length 26mm

SKU: KK-3410M-12
MPN: 3410M-12

Save $1.14
Ko-ken 3410M-13 3/8 Sq. Dr. Socket 13mm Surface Length 26mm

Ko-ken 3410M-13 3/8 Sq. Dr. Socket 13mm Surface Length 26mm

SKU: KK-3410M-13
MPN: 3410M-13

Save $1.38
Ko-ken 3410M-14 3/8 Sq. Dr. Socket 14mm Surface Length 27mm

Ko-ken 3410M-14 3/8 Sq. Dr. Socket 14mm Surface Length 27mm

SKU: KK-3410M-14
MPN: 3410M-14

Save $1.43
Ko-ken 3410M-15 3/8 Sq. Dr. Socket 15mm Surface Length 28mm

Ko-ken 3410M-15 3/8 Sq. Dr. Socket 15mm Surface Length 28mm

SKU: KK-3410M-15
MPN: 3410M-15

Save $1.54
Ko-ken 3410M-16 3/8 Sq. Dr. Socket 16mm Surface Length 28mm

Ko-ken 3410M-16 3/8 Sq. Dr. Socket 16mm Surface Length 28mm

SKU: KK-3410M-16
MPN: 3410M-16

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Ko-ken 3410M-17 3/8 Sq. Dr. Socket 17mm Surface Length 29mm

Ko-ken 3410M-17 3/8 Sq. Dr. Socket 17mm Surface Length 29mm

SKU: KK-3410M-17
MPN: 3410M-17

Save $1.54
Ko-ken 3410M-18 3/8 Sq. Dr. Socket 18mm Surface Length 30mm

Ko-ken 3410M-18 3/8 Sq. Dr. Socket 18mm Surface Length 30mm

SKU: KK-3410M-18
MPN: 3410M-18

Save $1.58
Ko-ken 3410M-19 3/8 Sq. Dr. Socket 19mm Surface Length 30mm

Ko-ken 3410M-19 3/8 Sq. Dr. Socket 19mm Surface Length 30mm

SKU: KK-3410M-19
MPN: 3410M-19

Save $1.58
Ko-ken 3410M-20 3/8 Sq. Dr. Socket 20mm Surface Length 31mm

Ko-ken 3410M-20 3/8 Sq. Dr. Socket 20mm Surface Length 31mm

SKU: KK-3410M-20
MPN: 3410M-20

Save $1.95
Ko-ken 3410M-21 3/8 Sq. Dr. Socket 21mm Surface Length 32mm

Ko-ken 3410M-21 3/8 Sq. Dr. Socket 21mm Surface Length 32mm

SKU: KK-3410M-21
MPN: 3410M-21

Save $1.95
Ko-ken 3410M-22 3/8 Sq. Dr. Socket 22mm Surface Length 32mm

Ko-ken 3410M-22 3/8 Sq. Dr. Socket 22mm Surface Length 32mm

SKU: KK-3410M-22
MPN: 3410M-22

Save $2.03
Ko-ken 3410M-23 3/8 Sq. Dr. Socket 23mm Surface Length 33mm

Ko-ken 3410M-23 3/8 Sq. Dr. Socket 23mm Surface Length 33mm

SKU: KK-3410M-23
MPN: 3410M-23

Save $2.15
Ko-ken 3410M-24 3/8 Sq. Dr. Socket 24mm Surface Length 34mm

Ko-ken 3410M-24 3/8 Sq. Dr. Socket 24mm Surface Length 34mm

SKU: KK-3410M-24
MPN: 3410M-24

Save $2.15
Ko-ken 3410M-5.5 3/8 Sq. Dr. Socket 5.5mm Surface Length 26mm

Ko-ken 3410M-5.5 3/8 Sq. Dr. Socket 5.5mm Surface Length 26mm

SKU: KK-3410M-5.5
MPN: 3410M-5.5

Save $1.14