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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 3310M-18 3/8 Sq. Dr. Socket 18mm Surface Length 55mm

Ko-ken 3310M-18 3/8 Sq. Dr. Socket 18mm Surface Length 55mm

SKU: KK-3310M-18
MPN: 3310M-18

Save $3.10
Ko-ken 3310M-19 3/8 Sq. Dr. Socket 19mm Surface Length 55mm

Ko-ken 3310M-19 3/8 Sq. Dr. Socket 19mm Surface Length 55mm

SKU: KK-3310M-19
MPN: 3310M-19

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Ko-ken 3310M-20 3/8 Sq. Dr. Socket 20mm Surface Length 65mm

Ko-ken 3310M-20 3/8 Sq. Dr. Socket 20mm Surface Length 65mm

SKU: KK-3310M-20
MPN: 3310M-20

Save $3.76
Ko-ken 3310M-21 3/8 Sq. Dr. Socket 21mm Surface Length 65mm

Ko-ken 3310M-21 3/8 Sq. Dr. Socket 21mm Surface Length 65mm

SKU: KK-3310M-21
MPN: 3310M-21

Save $3.76
Ko-ken 3310M-22 3/8 Sq. Dr. Socket 22mm Surface Length 65mm

Ko-ken 3310M-22 3/8 Sq. Dr. Socket 22mm Surface Length 65mm

SKU: KK-3310M-22
MPN: 3310M-22

Save $3.90
Ko-ken 3310M-23 3/8 Sq. Dr. Socket 23mm Surface Length 65mm

Ko-ken 3310M-23 3/8 Sq. Dr. Socket 23mm Surface Length 65mm

SKU: KK-3310M-23
MPN: 3310M-23

Save $4.08
Ko-ken 3310M-24 3/8 Sq. Dr. Socket 24mm Surface Length 65mm

Ko-ken 3310M-24 3/8 Sq. Dr. Socket 24mm Surface Length 65mm

SKU: KK-3310M-24
MPN: 3310M-24

Save $4.31
Ko-ken 3310M-6 3/8 Sq. Dr. Socket 6mm Surface Length 55mm

Ko-ken 3310M-6 3/8 Sq. Dr. Socket 6mm Surface Length 55mm

SKU: KK-3310M-6
MPN: 3310M-6

Save $2.37
Ko-ken 3310M-7 3/8 Sq. Dr. Socket 7mm Surface Length 55mm

Ko-ken 3310M-7 3/8 Sq. Dr. Socket 7mm Surface Length 55mm

SKU: KK-3310M-7
MPN: 3310M-7

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Ko-ken 3310M-8 3/8 Sq. Dr. Socket 8mm Surface Length 55mm

Ko-ken 3310M-8 3/8 Sq. Dr. Socket 8mm Surface Length 55mm

SKU: KK-3310M-8
MPN: 3310M-8

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Ko-ken 3310M-9 3/8 Sq. Dr. Socket 9mm Surface Length 55mm

Ko-ken 3310M-9 3/8 Sq. Dr. Socket 9mm Surface Length 55mm

SKU: KK-3310M-9
MPN: 3310M-9

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Ko-ken 3322A 3/8 Sq. Dr. Adaptor 1/4 Square Length 24mm

Ko-ken 3322A 3/8 Sq. Dr. Adaptor 1/4 Square Length 24mm

SKU: KK-3322A
MPN: 3322A

Save $2.42
Ko-ken 3325-E10 3/8 Sq. Dr. Socket TORX E10 Length 55mm

Ko-ken 3325-E10 3/8 Sq. Dr. Socket TORX E10 Length 55mm

SKU: KK-3325-E10
MPN: 3325-E10

Save $3.07
Ko-ken 3325-E12 3/8 Sq. Dr. Socket TORX E12 Length 55mm

Ko-ken 3325-E12 3/8 Sq. Dr. Socket TORX E12 Length 55mm

SKU: KK-3325-E12
MPN: 3325-E12

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Ko-ken 3325-E14 3/8 Sq. Dr. Socket TORX E14 Length 55mm

Ko-ken 3325-E14 3/8 Sq. Dr. Socket TORX E14 Length 55mm

SKU: KK-3325-E14
MPN: 3325-E14

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Ko-ken 3325-E16 3/8 Sq. Dr. Socket TORX E16 Length 55mm

Ko-ken 3325-E16 3/8 Sq. Dr. Socket TORX E16 Length 55mm

SKU: KK-3325-E16
MPN: 3325-E16

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Ko-ken 3325-E4 3/8 Sq. Dr. Socket TORX E4 Length 55mm

Ko-ken 3325-E4 3/8 Sq. Dr. Socket TORX E4 Length 55mm

SKU: KK-3325-E4
MPN: 3325-E4

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Ko-ken 3325-E5 3/8 Sq. Dr. Socket TORX E5 Length 55mm

Ko-ken 3325-E5 3/8 Sq. Dr. Socket TORX E5 Length 55mm

SKU: KK-3325-E5
MPN: 3325-E5

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Ko-ken 3325-E6 3/8 Sq. Dr. Socket TORX E6 Length 55mm

Ko-ken 3325-E6 3/8 Sq. Dr. Socket TORX E6 Length 55mm

SKU: KK-3325-E6
MPN: 3325-E6

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Ko-ken 3325-E7 3/8 Sq. Dr. Socket TORX E7 Length 55mm

Ko-ken 3325-E7 3/8 Sq. Dr. Socket TORX E7 Length 55mm

SKU: KK-3325-E7
MPN: 3325-E7

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Ko-ken 3325-E8 3/8 Sq. Dr. Socket TORX E8 Length 55mm

Ko-ken 3325-E8 3/8 Sq. Dr. Socket TORX E8 Length 55mm

SKU: KK-3325-E8
MPN: 3325-E8

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Ko-ken 3340C-14 3/8 Sq. Dr. Universal Spark Plug Socket 14mm 6 point Length 88mm Spring Clip

Ko-ken 3340C-14 3/8 Sq. Dr. Universal Spark Plug Socket 14mm 6 point Length 88mm Spring Clip

SKU: KK-3340C-14
MPN: 3340C-14

Save $10.40
Ko-ken 3340M.75-10 3/8 Sq. Dr. Universal Socket 10mm Length 75mm

Ko-ken 3340M.75-10 3/8 Sq. Dr. Universal Socket 10mm Length 75mm

SKU: KK-3340M.75-10
MPN: 3340M.75-10

Save $8.43
Ko-ken 3340M.75-11 3/8 Sq. Dr. Universal Socket 11mm Length 75mm

Ko-ken 3340M.75-11 3/8 Sq. Dr. Universal Socket 11mm Length 75mm

SKU: KK-3340M.75-11
MPN: 3340M.75-11

Save $8.43