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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 2405M-12 1/4 Sq. Dr. Socket 12mm 12 point Length 22mm

Ko-ken 2405M-12 1/4 Sq. Dr. Socket 12mm 12 point Length 22mm

SKU: KK-2405M-12
MPN: 2405M-12

Save $1.07
Ko-ken 2405M-13 1/4 Sq. Dr. Socket 13mm 12 point Length 22mm

Ko-ken 2405M-13 1/4 Sq. Dr. Socket 13mm 12 point Length 22mm

SKU: KK-2405M-13
MPN: 2405M-13

Save $1.15
Ko-ken 2405M-14 1/4 Sq. Dr. Socket 14mm 12 point Length 24mm

Ko-ken 2405M-14 1/4 Sq. Dr. Socket 14mm 12 point Length 24mm

SKU: KK-2405M-14
MPN: 2405M-14

Save $1.23
Ko-ken 2405M-3 1/4 Sq. Dr. Socket 3mm 12 point Length 22mm

Ko-ken 2405M-3 1/4 Sq. Dr. Socket 3mm 12 point Length 22mm

SKU: KK-2405M-3
MPN: 2405M-3

Save $0.98
Ko-ken 2405M-3.5 1/4 Sq. Dr. Socket 3.5mm 12 point Length 22mm

Ko-ken 2405M-3.5 1/4 Sq. Dr. Socket 3.5mm 12 point Length 22mm

SKU: KK-2405M-3.5
MPN: 2405M-3.5

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Ko-ken 2405M-4 1/4 Sq. Dr. Socket 4mm 12 point Length 22mm

Ko-ken 2405M-4 1/4 Sq. Dr. Socket 4mm 12 point Length 22mm

SKU: KK-2405M-4
MPN: 2405M-4

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Ko-ken 2405M-4.5 1/4 Sq. Dr. Socket 4.5mm 12 point Length 22mm

Ko-ken 2405M-4.5 1/4 Sq. Dr. Socket 4.5mm 12 point Length 22mm

SKU: KK-2405M-4.5
MPN: 2405M-4.5

Save $0.98
Ko-ken 2405M-5 1/4 Sq. Dr. Socket 5mm 12 point Length 22mm

Ko-ken 2405M-5 1/4 Sq. Dr. Socket 5mm 12 point Length 22mm

SKU: KK-2405M-5
MPN: 2405M-5

Save $0.98
Ko-ken 2405M-5.5 1/4 Sq. Dr. Socket 5.5mm 12 point Length 22mm

Ko-ken 2405M-5.5 1/4 Sq. Dr. Socket 5.5mm 12 point Length 22mm

SKU: KK-2405M-5.5
MPN: 2405M-5.5

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Ko-ken 2405M-6 1/4 Sq. Dr. Socket 6mm 12 point Length 22mm

Ko-ken 2405M-6 1/4 Sq. Dr. Socket 6mm 12 point Length 22mm

SKU: KK-2405M-6
MPN: 2405M-6

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Ko-ken 2405M-7 1/4 Sq. Dr. Socket 7mm 12 point Length 22mm

Ko-ken 2405M-7 1/4 Sq. Dr. Socket 7mm 12 point Length 22mm

SKU: KK-2405M-7
MPN: 2405M-7

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Ko-ken 2405M-8 1/4 Sq. Dr. Socket 8mm 12 point Length 22mm

Ko-ken 2405M-8 1/4 Sq. Dr. Socket 8mm 12 point Length 22mm

SKU: KK-2405M-8
MPN: 2405M-8

Save $0.98
Ko-ken 2405M-9 1/4 Sq. Dr. Socket 9mm 12 point Length 22mm

Ko-ken 2405M-9 1/4 Sq. Dr. Socket 9mm 12 point Length 22mm

SKU: KK-2405M-9
MPN: 2405M-9

Save $1.03
Ko-ken 2440A-1/2 1/4 Sq. Dr. Universal Socket 1/2 6 point Length 37mm

Ko-ken 2440A-1/2 1/4 Sq. Dr. Universal Socket 1/2 6 point Length 37mm

SKU: KK-2440A-1/2
MPN: 2440A-1/2

Save $6.66
Ko-ken 2440A-1/4 1/4 Sq. Dr. Universal Socket 1/4 6 point Length 33mm

Ko-ken 2440A-1/4 1/4 Sq. Dr. Universal Socket 1/4 6 point Length 33mm

SKU: KK-2440A-1/4
MPN: 2440A-1/4

Save $6.50
Ko-ken 2440A-3/8 1/4 Sq. Dr. Universal Socket 3/8 6 point Length 35mm

Ko-ken 2440A-3/8 1/4 Sq. Dr. Universal Socket 3/8 6 point Length 35mm

SKU: KK-2440A-3/8
MPN: 2440A-3/8

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Ko-ken 2440A-5/16 1/4 Sq. Dr. Universal Socket 5/16 6 point Length 34mm

Ko-ken 2440A-5/16 1/4 Sq. Dr. Universal Socket 5/16 6 point Length 34mm

SKU: KK-2440A-5/16
MPN: 2440A-5/16

Save $6.50
Ko-ken 2440A-7/16 1/4 Sq. Dr. Universal Socket 7/16 6 point Length 36mm

Ko-ken 2440A-7/16 1/4 Sq. Dr. Universal Socket 7/16 6 point Length 36mm

SKU: KK-2440A-7/16
MPN: 2440A-7/16

Save $6.50
Ko-ken 2440A-9/16 1/4 Sq. Dr. Universal Socket 9/16 6 point Length 37mm

Ko-ken 2440A-9/16 1/4 Sq. Dr. Universal Socket 9/16 6 point Length 37mm

SKU: KK-2440A-9/16
MPN: 2440A-9/16

Save $6.66
Ko-ken 2440M-10 1/4 Sq. Dr. Universal Socket 10mm 6 point Length 35mm

Ko-ken 2440M-10 1/4 Sq. Dr. Universal Socket 10mm 6 point Length 35mm

SKU: KK-2440M-10
MPN: 2440M-10

Save $5.92
Ko-ken 2440M-11 1/4 Sq. Dr. Universal Socket 11mm 6 point Length 36mm

Ko-ken 2440M-11 1/4 Sq. Dr. Universal Socket 11mm 6 point Length 36mm

SKU: KK-2440M-11
MPN: 2440M-11

Save $5.92
Ko-ken 2440M-12 1/4 Sq. Dr. Universal Socket 12mm 6 point Length 37mm

Ko-ken 2440M-12 1/4 Sq. Dr. Universal Socket 12mm 6 point Length 37mm

SKU: KK-2440M-12
MPN: 2440M-12

Save $5.92
Ko-ken 2440M-13 1/4 Sq. Dr. Universal Socket 13mm 6 point Length 37mm

Ko-ken 2440M-13 1/4 Sq. Dr. Universal Socket 13mm 6 point Length 37mm

SKU: KK-2440M-13
MPN: 2440M-13

Save $6.05
Ko-ken 2440M-14 1/4 Sq. Dr. Universal Socket 14mm 6 point Length 37mm

Ko-ken 2440M-14 1/4 Sq. Dr. Universal Socket 14mm 6 point Length 37mm

SKU: KK-2440M-14
MPN: 2440M-14

Save $6.05