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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 3410M-6 3/8 Sq. Dr. Socket 6mm Surface Length 26mm

Ko-ken 3410M-6 3/8 Sq. Dr. Socket 6mm Surface Length 26mm

SKU: KK-3410M-6
MPN: 3410M-6

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Ko-ken 3410M-7 3/8 Sq. Dr. Socket 7mm Surface Length 26mm

Ko-ken 3410M-7 3/8 Sq. Dr. Socket 7mm Surface Length 26mm

SKU: KK-3410M-7
MPN: 3410M-7

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

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

SKU: KK-3410M-8
MPN: 3410M-8

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Ko-ken 3410M-9 3/8 Sq. Dr. Socket 9mm Surface Length 26mm

Ko-ken 3410M-9 3/8 Sq. Dr. Socket 9mm Surface Length 26mm

SKU: KK-3410M-9
MPN: 3410M-9

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Ko-ken 3415A-1/2 3/8 Sq. Dr. Socket 1/2 Double Square Length 27mm

Ko-ken 3415A-1/2 3/8 Sq. Dr. Socket 1/2 Double Square Length 27mm

SKU: KK-3415A-1/2
MPN: 3415A-1/2

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Ko-ken 3415A-1/4 3/8 Sq. Dr. Socket 1/4 Double Square Length 26mm

Ko-ken 3415A-1/4 3/8 Sq. Dr. Socket 1/4 Double Square Length 26mm

SKU: KK-3415A-1/4
MPN: 3415A-1/4

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Ko-ken 3415A-11/32 3/8 Sq. Dr. Socket 11/32 Double Square Length 26mm

Ko-ken 3415A-11/32 3/8 Sq. Dr. Socket 11/32 Double Square Length 26mm

SKU: KK-3415A-11/32
MPN: 3415A-11/32

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Ko-ken 3415A-3/8 3/8 Sq. Dr. Socket 3/8 Double Square Length 26mm

Ko-ken 3415A-3/8 3/8 Sq. Dr. Socket 3/8 Double Square Length 26mm

SKU: KK-3415A-3/8
MPN: 3415A-3/8

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Ko-ken 3415A-5/16 3/8 Sq. Dr. Socket 5/16 Double Square Length 26mm

Ko-ken 3415A-5/16 3/8 Sq. Dr. Socket 5/16 Double Square Length 26mm

SKU: KK-3415A-5/16
MPN: 3415A-5/16

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Ko-ken 3415A-7/16 3/8 Sq. Dr. Socket 7/16 Double Square Length 27mm

Ko-ken 3415A-7/16 3/8 Sq. Dr. Socket 7/16 Double Square Length 27mm

SKU: KK-3415A-7/16
MPN: 3415A-7/16

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Ko-ken 3415M-10 3/8 Sq. Dr. Socket 10mm Double Square Length 26mm

Ko-ken 3415M-10 3/8 Sq. Dr. Socket 10mm Double Square Length 26mm

SKU: KK-3415M-10
MPN: 3415M-10

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Ko-ken 3415M-12 3/8 Sq. Dr. Socket 12mm Double Square Length 27mm

Ko-ken 3415M-12 3/8 Sq. Dr. Socket 12mm Double Square Length 27mm

SKU: KK-3415M-12
MPN: 3415M-12

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Ko-ken 3415M-13 3/8 Sq. Dr. Socket 13mm Double Square Length 27mm

Ko-ken 3415M-13 3/8 Sq. Dr. Socket 13mm Double Square Length 27mm

SKU: KK-3415M-13
MPN: 3415M-13

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Ko-ken 3415M-5.5 3/8 Sq. Dr. Socket 5.5mm Double Square Length 26mm

Ko-ken 3415M-5.5 3/8 Sq. Dr. Socket 5.5mm Double Square Length 26mm

SKU: KK-3415M-5.5
MPN: 3415M-5.5

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Ko-ken 3415M-6 3/8 Sq. Dr. Socket 6mm Double Square Length 26mm

Ko-ken 3415M-6 3/8 Sq. Dr. Socket 6mm Double Square Length 26mm

SKU: KK-3415M-6
MPN: 3415M-6

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Ko-ken 3415M-7 3/8 Sq. Dr. Socket 7mm Double Square Length 26mm

Ko-ken 3415M-7 3/8 Sq. Dr. Socket 7mm Double Square Length 26mm

SKU: KK-3415M-7
MPN: 3415M-7

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Ko-ken 3415M-8 3/8 Sq. Dr. Socket 8mm Double Square Length 26mm

Ko-ken 3415M-8 3/8 Sq. Dr. Socket 8mm Double Square Length 26mm

SKU: KK-3415M-8
MPN: 3415M-8

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Ko-ken 3425-E10 3/8 Sq. Dr. Socket TORX E10 Length 26mm

Ko-ken 3425-E10 3/8 Sq. Dr. Socket TORX E10 Length 26mm

SKU: KK-3425-E10
MPN: 3425-E10

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Ko-ken 3425-E11 3/8 Sq. Dr. Socket TORX E11 Length 26mm

Ko-ken 3425-E11 3/8 Sq. Dr. Socket TORX E11 Length 26mm

SKU: KK-3425-E11
MPN: 3425-E11

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Ko-ken 3425-E12 3/8 Sq. Dr. Socket TORX E12 Length 26mm

Ko-ken 3425-E12 3/8 Sq. Dr. Socket TORX E12 Length 26mm

SKU: KK-3425-E12
MPN: 3425-E12

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Ko-ken 3425-E14 3/8 Sq. Dr. Socket TORX E14 Length 26mm

Ko-ken 3425-E14 3/8 Sq. Dr. Socket TORX E14 Length 26mm

SKU: KK-3425-E14
MPN: 3425-E14

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Ko-ken 3425-E4 3/8 Sq. Dr. Socket TORX E4 Length 26mm

Ko-ken 3425-E4 3/8 Sq. Dr. Socket TORX E4 Length 26mm

SKU: KK-3425-E4
MPN: 3425-E4

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Ko-ken 3425-E5 3/8 Sq. Dr. Socket TORX E5 Length 26mm

Ko-ken 3425-E5 3/8 Sq. Dr. Socket TORX E5 Length 26mm

SKU: KK-3425-E5
MPN: 3425-E5

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Ko-ken 3425-E6 3/8 Sq. Dr. Socket TORX E6 Length 26mm

Ko-ken 3425-E6 3/8 Sq. Dr. Socket TORX E6 Length 26mm

SKU: KK-3425-E6
MPN: 3425-E6

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