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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 4027.60-M9 1/2 Sq. Dr. Bit Socket Ribe-CV M9 Length 60mm

Ko-ken 4027.60-M9 1/2 Sq. Dr. Bit Socket Ribe-CV M9 Length 60mm

SKU: KK-4027.60-M9
MPN: 4027.60-M9

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Ko-ken 4103M-10(1.25) 1/2 Sq. Dr. Stud Bolt Setter M10 X 1.25 Length 44mm

Ko-ken 4103M-10(1.25) 1/2 Sq. Dr. Stud Bolt Setter M10 X 1.25 Length 44mm

SKU: KK-4103M-10(1.25)
MPN: 4103M-10(1.25)

Save $5.15
Ko-ken 4103M-10(1.5) 1/2 Sq. Dr. Stud Bolt Setter M10 X 1.5 Length 44mm

Ko-ken 4103M-10(1.5) 1/2 Sq. Dr. Stud Bolt Setter M10 X 1.5 Length 44mm

SKU: KK-4103M-10(1.5)
MPN: 4103M-10(1.5)

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Ko-ken 4103M-12(1.25) 1/2 Sq. Dr. Stud Bolt Setter M12 X 1.25 Length 44mm

Ko-ken 4103M-12(1.25) 1/2 Sq. Dr. Stud Bolt Setter M12 X 1.25 Length 44mm

SKU: KK-4103M-12(1.25)
MPN: 4103M-12(1.25)

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Ko-ken 4103M-12(1.75) 1/2 Sq. Dr. Stud Bolt Setter M12 X 1.75 Length 44mm

Ko-ken 4103M-12(1.75) 1/2 Sq. Dr. Stud Bolt Setter M12 X 1.75 Length 44mm

SKU: KK-4103M-12(1.75)
MPN: 4103M-12(1.75)

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Ko-ken 4103M-6(1.0) 1/2 Sq. Dr. Stud Bolt Setter M6 X 1.0 Length 37mm

Ko-ken 4103M-6(1.0) 1/2 Sq. Dr. Stud Bolt Setter M6 X 1.0 Length 37mm

SKU: KK-4103M-6(1.0)
MPN: 4103M-6(1.0)

Save $4.46
Ko-ken 4103M-7(1.0) 1/2 Sq. Dr. Stud Bolt Setter M7 X 1.0 Length 37mm

Ko-ken 4103M-7(1.0) 1/2 Sq. Dr. Stud Bolt Setter M7 X 1.0 Length 37mm

SKU: KK-4103M-7(1.0)
MPN: 4103M-7(1.0)

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Ko-ken 4103M-8(1.25) 1/2 Sq. Dr. Stud Bolt Setter M8 X 1.25 Length 37mm

Ko-ken 4103M-8(1.25) 1/2 Sq. Dr. Stud Bolt Setter M8 X 1.25 Length 37mm

SKU: KK-4103M-8(1.25)
MPN: 4103M-8(1.25)

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Ko-ken 4109M-14 1/2 Sq. Dr. Socket 14mm Double Square Length 38mm For Lubrication service

Ko-ken 4109M-14 1/2 Sq. Dr. Socket 14mm Double Square Length 38mm For Lubrication service

SKU: KK-4109M-14
MPN: 4109M-14

Save $2.71
Ko-ken 4132-25 1/2 Sq. Dr. Die Holder 25mm Length 60mm

Ko-ken 4132-25 1/2 Sq. Dr. Die Holder 25mm Length 60mm

SKU: KK-4132-25
MPN: 4132-25

Save $11.54
Ko-ken 4300A-1 1/2 Sq. Dr. Socket 1 6 point Length 77mm

Ko-ken 4300A-1 1/2 Sq. Dr. Socket 1 6 point Length 77mm

SKU: KK-4300A-1
MPN: 4300A-1

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Ko-ken 4300A-1.1/16 1/2 Sq. Dr. Socket 1.1/16 6 point Length 77mm

Ko-ken 4300A-1.1/16 1/2 Sq. Dr. Socket 1.1/16 6 point Length 77mm

SKU: KK-4300A-1.1/16
MPN: 4300A-1.1/16

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Ko-ken 4300A-1.1/2 1/2 Sq. Dr. Socket 1.1/2 6 point Length 77mm

Ko-ken 4300A-1.1/2 1/2 Sq. Dr. Socket 1.1/2 6 point Length 77mm

SKU: KK-4300A-1.1/2
MPN: 4300A-1.1/2

Save $13.01
Ko-ken 4300A-1.1/4 1/2 Sq. Dr. Socket 1.1/4 6 point Length 77mm

Ko-ken 4300A-1.1/4 1/2 Sq. Dr. Socket 1.1/4 6 point Length 77mm

SKU: KK-4300A-1.1/4
MPN: 4300A-1.1/4

Save $7.13
Ko-ken 4300A-1.1/8 1/2 Sq. Dr. Socket 1.1/8 6 point Length 77mm

Ko-ken 4300A-1.1/8 1/2 Sq. Dr. Socket 1.1/8 6 point Length 77mm

SKU: KK-4300A-1.1/8
MPN: 4300A-1.1/8

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Ko-ken 4300A-1.13/16 1/2 Sq. Dr. Socket 1.13/16 6 point Length 77mm

Ko-ken 4300A-1.13/16 1/2 Sq. Dr. Socket 1.13/16 6 point Length 77mm

SKU: KK-4300A-1.13/16
MPN: 4300A-1.13/16

Save $19.83
Ko-ken 4300A-1.3/16 1/2 Sq. Dr. Socket 1.3/16 6 point Length 77mm

Ko-ken 4300A-1.3/16 1/2 Sq. Dr. Socket 1.3/16 6 point Length 77mm

SKU: KK-4300A-1.3/16
MPN: 4300A-1.3/16

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Ko-ken 4300A-1.3/8 1/2 Sq. Dr. Socket 1.3/8 6 point Length 77mm

Ko-ken 4300A-1.3/8 1/2 Sq. Dr. Socket 1.3/8 6 point Length 77mm

SKU: KK-4300A-1.3/8
MPN: 4300A-1.3/8

Save $11.01
Ko-ken 4300A-1.5/16 1/2 Sq. Dr. Socket 1.5/16 6 point Length 77mm

Ko-ken 4300A-1.5/16 1/2 Sq. Dr. Socket 1.5/16 6 point Length 77mm

SKU: KK-4300A-1.5/16
MPN: 4300A-1.5/16

Save $11.01
Ko-ken 4300A-1.7/16 1/2 Sq. Dr. Socket 1.7/16 6 point Length 77mm

Ko-ken 4300A-1.7/16 1/2 Sq. Dr. Socket 1.7/16 6 point Length 77mm

SKU: KK-4300A-1.7/16
MPN: 4300A-1.7/16

Save $12.06
Ko-ken 4300A-1/2 1/2 Sq. Dr. Socket 1/2 6 point Length 77mm

Ko-ken 4300A-1/2 1/2 Sq. Dr. Socket 1/2 6 point Length 77mm

SKU: KK-4300A-1/2
MPN: 4300A-1/2

Save $3.73
Ko-ken 4300A-11/16 1/2 Sq. Dr. Socket 11/16 6 point Length 77mm

Ko-ken 4300A-11/16 1/2 Sq. Dr. Socket 11/16 6 point Length 77mm

SKU: KK-4300A-11/16
MPN: 4300A-11/16

Save $4.10
Ko-ken 4300A-13/16 1/2 Sq. Dr. Socket 13/16 6 point Length 77mm

Ko-ken 4300A-13/16 1/2 Sq. Dr. Socket 13/16 6 point Length 77mm

SKU: KK-4300A-13/16
MPN: 4300A-13/16

Save $4.79
Ko-ken 4300A-15/16 1/2 Sq. Dr. Socket 15/16 6 point Length 77mm

Ko-ken 4300A-15/16 1/2 Sq. Dr. Socket 15/16 6 point Length 77mm

SKU: KK-4300A-15/16
MPN: 4300A-15/16

Save $5.42