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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 3300A-11/16 3/8 Sq. Dr. Socket 11/16 6 point Length 55mm

Ko-ken 3300A-11/16 3/8 Sq. Dr. Socket 11/16 6 point Length 55mm

SKU: KK-3300A-11/16
MPN: 3300A-11/16

Save $3.24
Ko-ken 3300A-11/32 3/8 Sq. Dr. Socket 11/32 6 point Length 55mm

Ko-ken 3300A-11/32 3/8 Sq. Dr. Socket 11/32 6 point Length 55mm

SKU: KK-3300A-11/32
MPN: 3300A-11/32

Save $2.48
Ko-ken 3300A-13/16 3/8 Sq. Dr. Socket 13/16 6 point Length 65mm

Ko-ken 3300A-13/16 3/8 Sq. Dr. Socket 13/16 6 point Length 65mm

SKU: KK-3300A-13/16
MPN: 3300A-13/16

Save $3.93
Ko-ken 3300A-15/16 3/8 Sq. Dr. Socket 15/16 6 point Length 65mm

Ko-ken 3300A-15/16 3/8 Sq. Dr. Socket 15/16 6 point Length 65mm

SKU: KK-3300A-15/16
MPN: 3300A-15/16

Save $4.51
Ko-ken 3300A-19/32 3/8 Sq. Dr. Socket 19/32 6 point Length 55mm

Ko-ken 3300A-19/32 3/8 Sq. Dr. Socket 19/32 6 point Length 55mm

SKU: KK-3300A-19/32
MPN: 3300A-19/32

Save $2.77
Ko-ken 3300A-3/4 3/8 Sq. Dr. Socket 3/4 6 point Length 55mm

Ko-ken 3300A-3/4 3/8 Sq. Dr. Socket 3/4 6 point Length 55mm

SKU: KK-3300A-3/4
MPN: 3300A-3/4

Save $3.24
Ko-ken 3300A-3/8 3/8 Sq. Dr. Socket 3/8 6 point Length 55mm

Ko-ken 3300A-3/8 3/8 Sq. Dr. Socket 3/8 6 point Length 55mm

SKU: KK-3300A-3/8
MPN: 3300A-3/8

Save $2.48
Ko-ken 3300A-5/16 3/8 Sq. Dr. Socket 5/16 6 point Length 55mm

Ko-ken 3300A-5/16 3/8 Sq. Dr. Socket 5/16 6 point Length 55mm

SKU: KK-3300A-5/16
MPN: 3300A-5/16

Save $2.48
Ko-ken 3300A-5/8 3/8 Sq. Dr. Socket 5/8 6 point Length 55mm

Ko-ken 3300A-5/8 3/8 Sq. Dr. Socket 5/8 6 point Length 55mm

SKU: KK-3300A-5/8
MPN: 3300A-5/8

Save $2.77
Ko-ken 3300A-7/16 3/8 Sq. Dr. Socket 7/16 6 point Length 55mm

Ko-ken 3300A-7/16 3/8 Sq. Dr. Socket 7/16 6 point Length 55mm

SKU: KK-3300A-7/16
MPN: 3300A-7/16

Save $2.48
Ko-ken 3300A-7/32 3/8 Sq. Dr. Socket 7/32 6 point Length 55mm

Ko-ken 3300A-7/32 3/8 Sq. Dr. Socket 7/32 6 point Length 55mm

SKU: KK-3300A-7/32
MPN: 3300A-7/32

Save $2.48
Ko-ken 3300A-7/8 3/8 Sq. Dr. Socket 7/8 6 point Length 65mm

Ko-ken 3300A-7/8 3/8 Sq. Dr. Socket 7/8 6 point Length 65mm

SKU: KK-3300A-7/8
MPN: 3300A-7/8

Save $4.08
Ko-ken 3300A-9/16 3/8 Sq. Dr. Socket 9/16 6 point Length 55mm

Ko-ken 3300A-9/16 3/8 Sq. Dr. Socket 9/16 6 point Length 55mm

SKU: KK-3300A-9/16
MPN: 3300A-9/16

Save $2.64
Ko-ken 3300M-10 3/8 Sq. Dr. Socket 10mm 6 point Length 55mm

Ko-ken 3300M-10 3/8 Sq. Dr. Socket 10mm 6 point Length 55mm

SKU: KK-3300M-10
MPN: 3300M-10

Save $2.25
Ko-ken 3300M-10(L120) 3/8 Sq. Dr. Socket 10mm 6 point Length 120mm

Ko-ken 3300M-10(L120) 3/8 Sq. Dr. Socket 10mm 6 point Length 120mm

SKU: KK-3300M-10(L120)
MPN: 3300M-10(L120)

Save $8.82
Ko-ken 3300M-11 3/8 Sq. Dr. Socket 11mm 6 point Length 55mm

Ko-ken 3300M-11 3/8 Sq. Dr. Socket 11mm 6 point Length 55mm

SKU: KK-3300M-11
MPN: 3300M-11

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Ko-ken 3300M-12 3/8 Sq. Dr. Socket 12mm 6 point Length 55mm

Ko-ken 3300M-12 3/8 Sq. Dr. Socket 12mm 6 point Length 55mm

SKU: KK-3300M-12
MPN: 3300M-12

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Ko-ken 3300M-12(L120) 3/8 Sq. Dr. Socket 12mm 6 point Length 120mm

Ko-ken 3300M-12(L120) 3/8 Sq. Dr. Socket 12mm 6 point Length 120mm

SKU: KK-3300M-12(L120)
MPN: 3300M-12(L120)

Save $8.82
Ko-ken 3300M-13 3/8 Sq. Dr. Socket 13mm 6 point Length 55mm

Ko-ken 3300M-13 3/8 Sq. Dr. Socket 13mm 6 point Length 55mm

SKU: KK-3300M-13
MPN: 3300M-13

Save $2.39
Ko-ken 3300M-13(L120) 3/8 Sq. Dr. Socket 13mm 6 point Length 120mm

Ko-ken 3300M-13(L120) 3/8 Sq. Dr. Socket 13mm 6 point Length 120mm

SKU: KK-3300M-13(L120)
MPN: 3300M-13(L120)

Save $9.15
Ko-ken 3300M-14 3/8 Sq. Dr. Socket 14mm 6 point Length 55mm

Ko-ken 3300M-14 3/8 Sq. Dr. Socket 14mm 6 point Length 55mm

SKU: KK-3300M-14
MPN: 3300M-14

Save $2.39
Ko-ken 3300M-14(L120) 3/8 Sq. Dr. Socket 14mm 6 point Length 120mm

Ko-ken 3300M-14(L120) 3/8 Sq. Dr. Socket 14mm 6 point Length 120mm

SKU: KK-3300M-14(L120)
MPN: 3300M-14(L120)

Save $9.42
Ko-ken 3300M-15 3/8 Sq. Dr. Socket 15mm 6 point Length 55mm

Ko-ken 3300M-15 3/8 Sq. Dr. Socket 15mm 6 point Length 55mm

SKU: KK-3300M-15
MPN: 3300M-15

Save $2.53
Ko-ken 3300M-16 3/8 Sq. Dr. Socket 16mm 6 point Length 55mm

Ko-ken 3300M-16 3/8 Sq. Dr. Socket 16mm 6 point Length 55mm

SKU: KK-3300M-16
MPN: 3300M-16

Save $2.53