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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 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

Save $3.07
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

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Ko-ken 3340M.75-12 3/8 Sq. Dr. Universal Socket 12mm Length 75mm

Ko-ken 3340M.75-12 3/8 Sq. Dr. Universal Socket 12mm Length 75mm

SKU: KK-3340M.75-12
MPN: 3340M.75-12

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Ko-ken 3340M.75-13 3/8 Sq. Dr. Universal Socket 13mm Length 75mm

Ko-ken 3340M.75-13 3/8 Sq. Dr. Universal Socket 13mm Length 75mm

SKU: KK-3340M.75-13
MPN: 3340M.75-13

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Ko-ken 3340M.75-14 3/8 Sq. Dr. Universal Socket 14mm Length 75mm

Ko-ken 3340M.75-14 3/8 Sq. Dr. Universal Socket 14mm Length 75mm

SKU: KK-3340M.75-14
MPN: 3340M.75-14

Save $8.56
Ko-ken 3340M.75-15 3/8 Sq. Dr. Universal Socket 15mm Length 75mm

Ko-ken 3340M.75-15 3/8 Sq. Dr. Universal Socket 15mm Length 75mm

SKU: KK-3340M.75-15
MPN: 3340M.75-15

Save $8.78
Ko-ken 3340M.75-16 3/8 Sq. Dr. Universal Socket 16mm Length 75mm

Ko-ken 3340M.75-16 3/8 Sq. Dr. Universal Socket 16mm Length 75mm

SKU: KK-3340M.75-16
MPN: 3340M.75-16

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Ko-ken 3340M.75-17 3/8 Sq. Dr. Universal Socket 17mm Length 75mm

Ko-ken 3340M.75-17 3/8 Sq. Dr. Universal Socket 17mm Length 75mm

SKU: KK-3340M.75-17
MPN: 3340M.75-17

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Ko-ken 3340M.75-18 3/8 Sq. Dr. Universal Socket 18mm Length 75mm

Ko-ken 3340M.75-18 3/8 Sq. Dr. Universal Socket 18mm Length 75mm

SKU: KK-3340M.75-18
MPN: 3340M.75-18

Save $9.15
Ko-ken 3340M.75-19 3/8 Sq. Dr. Universal Socket 19mm Length 75mm

Ko-ken 3340M.75-19 3/8 Sq. Dr. Universal Socket 19mm Length 75mm

SKU: KK-3340M.75-19
MPN: 3340M.75-19

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

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

SKU: KK-3340M.75-8
MPN: 3340M.75-8

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Ko-ken 3341G.70-10 3/8 Sq. Dr. Universal Socket 10mm Nut Grip Length 70mm For Glow Plug

Ko-ken 3341G.70-10 3/8 Sq. Dr. Universal Socket 10mm Nut Grip Length 70mm For Glow Plug

SKU: KK-3341G.70-10
MPN: 3341G.70-10

Save $9.72
Ko-ken 3341G.70-11 3/8 Sq. Dr. Universal Socket 11mm Nut Grip Length 70mm For Glow Plug

Ko-ken 3341G.70-11 3/8 Sq. Dr. Universal Socket 11mm Nut Grip Length 70mm For Glow Plug

SKU: KK-3341G.70-11
MPN: 3341G.70-11

Save $9.72
Ko-ken 3341G.70-12 3/8 Sq. Dr. Universal Socket 12mm Nut Grip Length 70mm For Glow Plug

Ko-ken 3341G.70-12 3/8 Sq. Dr. Universal Socket 12mm Nut Grip Length 70mm For Glow Plug

SKU: KK-3341G.70-12
MPN: 3341G.70-12

Save $9.72
Ko-ken 3341G.89-10 3/8 Sq. Dr. Universal Socket 10mm Nut Grip Length 89mm For Glow Plug

Ko-ken 3341G.89-10 3/8 Sq. Dr. Universal Socket 10mm Nut Grip Length 89mm For Glow Plug

SKU: KK-3341G.89-10
MPN: 3341G.89-10

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Ko-ken 3341G.89-12(DP52) 3/8 Sq. Dr. Universal Socket 12mm Nut Grip Length 89mm For Glow Plug

Ko-ken 3341G.89-12(DP52) 3/8 Sq. Dr. Universal Socket 12mm Nut Grip Length 89mm For Glow Plug

SKU: KK-3341G.89-12(DP52)
MPN: 3341G.89-12(DP52)

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Ko-ken 3341G.89-8 3/8 Sq. Dr. Universal Socket 8mm Nut Grip Length 89mm For Glow Plug

Ko-ken 3341G.89-8 3/8 Sq. Dr. Universal Socket 8mm Nut Grip Length 89mm For Glow Plug

SKU: KK-3341G.89-8
MPN: 3341G.89-8

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Ko-ken 3341G.89-9 3/8 Sq. Dr. Universal Socket 9mm Nut Grip Length 89mm For Glow Plug

Ko-ken 3341G.89-9 3/8 Sq. Dr. Universal Socket 9mm Nut Grip Length 89mm For Glow Plug

SKU: KK-3341G.89-9
MPN: 3341G.89-9

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Ko-ken 3342G.150-8 3/8 Sq. Dr. Universal Socket 8mm 6 point Length 150mm For Glow Plug

Ko-ken 3342G.150-8 3/8 Sq. Dr. Universal Socket 8mm 6 point Length 150mm For Glow Plug

SKU: KK-3342G.150-8
MPN: 3342G.150-8

Save $13.63
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

Save $5.57