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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 4012M.43-6 1/2 Sq. Dr. Bit Socket 6mm Hex Length 43mm

Ko-ken 4012M.43-6 1/2 Sq. Dr. Bit Socket 6mm Hex Length 43mm

SKU: KK-4012M.43-6
MPN: 4012M.43-6

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Ko-ken 4012M.43-7 1/2 Sq. Dr. Bit Socket 7mm Hex Length 43mm

Ko-ken 4012M.43-7 1/2 Sq. Dr. Bit Socket 7mm Hex Length 43mm

SKU: KK-4012M.43-7
MPN: 4012M.43-7

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Ko-ken 4012M.43-8 1/2 Sq. Dr. Bit Socket 8mm Hex Length 43mm

Ko-ken 4012M.43-8 1/2 Sq. Dr. Bit Socket 8mm Hex Length 43mm

SKU: KK-4012M.43-8
MPN: 4012M.43-8

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Ko-ken 4012M.43-9 1/2 Sq. Dr. Bit Socket 9mm Hex Length 43mm

Ko-ken 4012M.43-9 1/2 Sq. Dr. Bit Socket 9mm Hex Length 43mm

SKU: KK-4012M.43-9
MPN: 4012M.43-9

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Ko-ken 4012M.60-10 1/2 Sq. Dr. Bit Socket 10mm Hex Length 60mm

Ko-ken 4012M.60-10 1/2 Sq. Dr. Bit Socket 10mm Hex Length 60mm

SKU: KK-4012M.60-10
MPN: 4012M.60-10

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Ko-ken 4012M.60-11 1/2 Sq. Dr. Bit Socket 11mm Hex Length 60mm

Ko-ken 4012M.60-11 1/2 Sq. Dr. Bit Socket 11mm Hex Length 60mm

SKU: KK-4012M.60-11
MPN: 4012M.60-11

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Ko-ken 4012M.60-12 1/2 Sq. Dr. Bit Socket 12mm Hex Length 60mm

Ko-ken 4012M.60-12 1/2 Sq. Dr. Bit Socket 12mm Hex Length 60mm

SKU: KK-4012M.60-12
MPN: 4012M.60-12

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Ko-ken 4012M.60-13 1/2 Sq. Dr. Bit Socket 13mm Hex Length 60mm

Ko-ken 4012M.60-13 1/2 Sq. Dr. Bit Socket 13mm Hex Length 60mm

SKU: KK-4012M.60-13
MPN: 4012M.60-13

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Ko-ken 4012M.60-14 1/2 Sq. Dr. Bit Socket 14mm Hex Length 60mm

Ko-ken 4012M.60-14 1/2 Sq. Dr. Bit Socket 14mm Hex Length 60mm

SKU: KK-4012M.60-14
MPN: 4012M.60-14

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Ko-ken 4012M.60-15 1/2 Sq. Dr. Bit Socket 15mm Hex Length 60mm

Ko-ken 4012M.60-15 1/2 Sq. Dr. Bit Socket 15mm Hex Length 60mm

SKU: KK-4012M.60-15
MPN: 4012M.60-15

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Ko-ken 4012M.60-16 1/2 Sq. Dr. Bit Socket 16mm Hex Length 60mm

Ko-ken 4012M.60-16 1/2 Sq. Dr. Bit Socket 16mm Hex Length 60mm

SKU: KK-4012M.60-16
MPN: 4012M.60-16

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Ko-ken 4012M.60-17 1/2 Sq. Dr. Bit Socket 17mm Hex Length 60mm

Ko-ken 4012M.60-17 1/2 Sq. Dr. Bit Socket 17mm Hex Length 60mm

SKU: KK-4012M.60-17
MPN: 4012M.60-17

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Ko-ken 4012M.60-18 1/2 Sq. Dr. Bit Socket 18mm Hex Length 60mm

Ko-ken 4012M.60-18 1/2 Sq. Dr. Bit Socket 18mm Hex Length 60mm

SKU: KK-4012M.60-18
MPN: 4012M.60-18

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Ko-ken 4012M.60-19 1/2 Sq. Dr. Bit Socket 19mm Hex Length 60mm

Ko-ken 4012M.60-19 1/2 Sq. Dr. Bit Socket 19mm Hex Length 60mm

SKU: KK-4012M.60-19
MPN: 4012M.60-19

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Ko-ken 4012M.60-21 1/2 Sq. Dr. Bit Socket 21mm Hex Length 60mm

Ko-ken 4012M.60-21 1/2 Sq. Dr. Bit Socket 21mm Hex Length 60mm

SKU: KK-4012M.60-21
MPN: 4012M.60-21

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Ko-ken 4012M.60-22 1/2 Sq. Dr. Bit Socket 22mm Hex Length 60mm

Ko-ken 4012M.60-22 1/2 Sq. Dr. Bit Socket 22mm Hex Length 60mm

SKU: KK-4012M.60-22
MPN: 4012M.60-22

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Ko-ken 4012M.60-23 1/2 Sq. Dr. Bit Socket 23mm Hex Length 60mm

Ko-ken 4012M.60-23 1/2 Sq. Dr. Bit Socket 23mm Hex Length 60mm

SKU: KK-4012M.60-23
MPN: 4012M.60-23

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Ko-ken 4012M.60-24 1/2 Sq. Dr. Bit Socket 24mm Hex Length 60mm

Ko-ken 4012M.60-24 1/2 Sq. Dr. Bit Socket 24mm Hex Length 60mm

SKU: KK-4012M.60-24
MPN: 4012M.60-24

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Ko-ken 4012M.60-4 1/2 Sq. Dr. Bit Socket 4mm Hex Length 60mm

Ko-ken 4012M.60-4 1/2 Sq. Dr. Bit Socket 4mm Hex Length 60mm

SKU: KK-4012M.60-4
MPN: 4012M.60-4

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Ko-ken 4012M.60-5 1/2 Sq. Dr. Bit Socket 5mm Hex Length 60mm

Ko-ken 4012M.60-5 1/2 Sq. Dr. Bit Socket 5mm Hex Length 60mm

SKU: KK-4012M.60-5
MPN: 4012M.60-5

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Ko-ken 4012M.60-6 1/2 Sq. Dr. Bit Socket 6mm Hex Length 60mm

Ko-ken 4012M.60-6 1/2 Sq. Dr. Bit Socket 6mm Hex Length 60mm

SKU: KK-4012M.60-6
MPN: 4012M.60-6

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Ko-ken 4012M.60-7 1/2 Sq. Dr. Bit Socket 7mm Hex Length 60mm

Ko-ken 4012M.60-7 1/2 Sq. Dr. Bit Socket 7mm Hex Length 60mm

SKU: KK-4012M.60-7
MPN: 4012M.60-7

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Ko-ken 4012M.60-8 1/2 Sq. Dr. Bit Socket 8mm Hex Length 60mm

Ko-ken 4012M.60-8 1/2 Sq. Dr. Bit Socket 8mm Hex Length 60mm

SKU: KK-4012M.60-8
MPN: 4012M.60-8

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Ko-ken 4012M.60-9 1/2 Sq. Dr. Bit Socket 9mm Hex Length 60mm

Ko-ken 4012M.60-9 1/2 Sq. Dr. Bit Socket 9mm Hex Length 60mm

SKU: KK-4012M.60-9
MPN: 4012M.60-9

Save $2.77