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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 4305M-34 1/2 Sq. Dr. Socket 34mm 12 point Length 77mm

Ko-ken 4305M-34 1/2 Sq. Dr. Socket 34mm 12 point Length 77mm

SKU: KK-4305M-34
MPN: 4305M-34

Save $10.01
Ko-ken 4305M-35 1/2 Sq. Dr. Socket 35mm 12 point Length 77mm

Ko-ken 4305M-35 1/2 Sq. Dr. Socket 35mm 12 point Length 77mm

SKU: KK-4305M-35
MPN: 4305M-35

Save $10.01
Ko-ken 4305M-36 1/2 Sq. Dr. Socket 36mm 12 point Length 77mm

Ko-ken 4305M-36 1/2 Sq. Dr. Socket 36mm 12 point Length 77mm

SKU: KK-4305M-36
MPN: 4305M-36

Save $10.19
Ko-ken 4305M-37 1/2 Sq. Dr. Socket 37mm 12 point Length 77mm

Ko-ken 4305M-37 1/2 Sq. Dr. Socket 37mm 12 point Length 77mm

SKU: KK-4305M-37
MPN: 4305M-37

Save $10.91
Ko-ken 4305M-38 1/2 Sq. Dr. Socket 38mm 12 point Length 77mm

Ko-ken 4305M-38 1/2 Sq. Dr. Socket 38mm 12 point Length 77mm

SKU: KK-4305M-38
MPN: 4305M-38

Save $11.74
Ko-ken 4305M-8 1/2 Sq. Dr. Socket 8mm 12 point Length 77mm

Ko-ken 4305M-8 1/2 Sq. Dr. Socket 8mm 12 point Length 77mm

SKU: KK-4305M-8
MPN: 4305M-8

Save $3.40
Ko-ken 4305M-9 1/2 Sq. Dr. Socket 9mm 12 point Length 77mm

Ko-ken 4305M-9 1/2 Sq. Dr. Socket 9mm 12 point Length 77mm

SKU: KK-4305M-9
MPN: 4305M-9

Save $3.40
Ko-ken 4405A-1 1/2 Sq. Dr. Socket 1 12 point Length 42mm

Ko-ken 4405A-1 1/2 Sq. Dr. Socket 1 12 point Length 42mm

SKU: KK-4405A-1
MPN: 4405A-1

Save $2.92
Ko-ken 4405A-1.1/16 1/2 Sq. Dr. Socket 1.1/16 12 point Length 43mm

Ko-ken 4405A-1.1/16 1/2 Sq. Dr. Socket 1.1/16 12 point Length 43mm

SKU: KK-4405A-1.1/16
MPN: 4405A-1.1/16

Save $2.92
Ko-ken 4405A-1.1/2 1/2 Sq. Dr. Socket 1.1/2 12 point Length 47mm

Ko-ken 4405A-1.1/2 1/2 Sq. Dr. Socket 1.1/2 12 point Length 47mm

SKU: KK-4405A-1.1/2
MPN: 4405A-1.1/2

Save $8.43
Ko-ken 4405A-1.1/4 1/2 Sq. Dr. Socket 1.1/4 12 point Length 46mm

Ko-ken 4405A-1.1/4 1/2 Sq. Dr. Socket 1.1/4 12 point Length 46mm

SKU: KK-4405A-1.1/4
MPN: 4405A-1.1/4

Save $3.96
Ko-ken 4405A-1.1/8 1/2 Sq. Dr. Socket 1.1/8 12 point Length 43mm

Ko-ken 4405A-1.1/8 1/2 Sq. Dr. Socket 1.1/8 12 point Length 43mm

SKU: KK-4405A-1.1/8
MPN: 4405A-1.1/8

Save $3.37
Ko-ken 4405A-1.3/16 1/2 Sq. Dr. Socket 1.3/16 12 point Length 46mm

Ko-ken 4405A-1.3/16 1/2 Sq. Dr. Socket 1.3/16 12 point Length 46mm

SKU: KK-4405A-1.3/16
MPN: 4405A-1.3/16

Save $3.50
Ko-ken 4405A-1.3/8 1/2 Sq. Dr. Socket 1.3/8 12 point Length 47mm

Ko-ken 4405A-1.3/8 1/2 Sq. Dr. Socket 1.3/8 12 point Length 47mm

SKU: KK-4405A-1.3/8
MPN: 4405A-1.3/8

Save $5.65
Ko-ken 4405A-1.5/16 1/2 Sq. Dr. Socket 1.5/16 12 point Length 47mm

Ko-ken 4405A-1.5/16 1/2 Sq. Dr. Socket 1.5/16 12 point Length 47mm

SKU: KK-4405A-1.5/16
MPN: 4405A-1.5/16

Save $5.65
Ko-ken 4405A-1.7/16 1/2 Sq. Dr. Socket 1.7/16 12 point Length 47mm

Ko-ken 4405A-1.7/16 1/2 Sq. Dr. Socket 1.7/16 12 point Length 47mm

SKU: KK-4405A-1.7/16
MPN: 4405A-1.7/16

Save $8.43
Ko-ken 4405A-1/2 1/2 Sq. Dr. Socket 1/2 12 point Length 37mm

Ko-ken 4405A-1/2 1/2 Sq. Dr. Socket 1/2 12 point Length 37mm

SKU: KK-4405A-1/2
MPN: 4405A-1/2

Save $1.53
Ko-ken 4405A-1/4 1/2 Sq. Dr. Socket 1/4 12 point Length 36mm

Ko-ken 4405A-1/4 1/2 Sq. Dr. Socket 1/4 12 point Length 36mm

SKU: KK-4405A-1/4
MPN: 4405A-1/4

Save $1.53
Ko-ken 4405A-11/16 1/2 Sq. Dr. Socket 11/16 12 point Length 37mm

Ko-ken 4405A-11/16 1/2 Sq. Dr. Socket 11/16 12 point Length 37mm

SKU: KK-4405A-11/16
MPN: 4405A-11/16

Save $1.73
Ko-ken 4405A-13/16 1/2 Sq. Dr. Socket 13/16 12 point Length 38mm

Ko-ken 4405A-13/16 1/2 Sq. Dr. Socket 13/16 12 point Length 38mm

SKU: KK-4405A-13/16
MPN: 4405A-13/16

Save $2.08
Ko-ken 4405A-15/16 1/2 Sq. Dr. Socket 15/16 12 point Length 42mm

Ko-ken 4405A-15/16 1/2 Sq. Dr. Socket 15/16 12 point Length 42mm

SKU: KK-4405A-15/16
MPN: 4405A-15/16

Save $2.25
Ko-ken 4405A-19/32 1/2 Sq. Dr. Socket 19/32 12 point Length 37mm

Ko-ken 4405A-19/32 1/2 Sq. Dr. Socket 19/32 12 point Length 37mm

SKU: KK-4405A-19/32
MPN: 4405A-19/32

Save $1.61
Ko-ken 4405A-21/32 1/2 Sq. Dr. Socket 21/32 12 point Length 37mm

Ko-ken 4405A-21/32 1/2 Sq. Dr. Socket 21/32 12 point Length 37mm

SKU: KK-4405A-21/32
MPN: 4405A-21/32

Save $1.61
Ko-ken 4405A-25/32 1/2 Sq. Dr. Socket 25/32 12 point Length 38mm

Ko-ken 4405A-25/32 1/2 Sq. Dr. Socket 25/32 12 point Length 38mm

SKU: KK-4405A-25/32
MPN: 4405A-25/32

Save $2.08