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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 3300M-18 3/8 Sq. Dr. Socket 18mm 6 point Length 55mm

Ko-ken 3300M-18 3/8 Sq. Dr. Socket 18mm 6 point Length 55mm

SKU: KK-3300M-18
MPN: 3300M-18

Save $2.95
Ko-ken 3300M-19 3/8 Sq. Dr. Socket 19mm 6 point Length 55mm

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

SKU: KK-3300M-19
MPN: 3300M-19

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Ko-ken 3300M-20 3/8 Sq. Dr. Socket 20mm 6 point Length 65mm

Ko-ken 3300M-20 3/8 Sq. Dr. Socket 20mm 6 point Length 65mm

SKU: KK-3300M-20
MPN: 3300M-20

Save $3.57
Ko-ken 3300M-21 3/8 Sq. Dr. Socket 21mm 6 point Length 65mm

Ko-ken 3300M-21 3/8 Sq. Dr. Socket 21mm 6 point Length 65mm

SKU: KK-3300M-21
MPN: 3300M-21

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Ko-ken 3300M-22 3/8 Sq. Dr. Socket 22mm 6 point Length 65mm

Ko-ken 3300M-22 3/8 Sq. Dr. Socket 22mm 6 point Length 65mm

SKU: KK-3300M-22
MPN: 3300M-22

Save $3.71
Ko-ken 3300M-23 3/8 Sq. Dr. Socket 23mm 6 point Length 65mm

Ko-ken 3300M-23 3/8 Sq. Dr. Socket 23mm 6 point Length 65mm

SKU: KK-3300M-23
MPN: 3300M-23

Save $3.89
Ko-ken 3300M-24 3/8 Sq. Dr. Socket 24mm 6 point Length 65mm

Ko-ken 3300M-24 3/8 Sq. Dr. Socket 24mm 6 point Length 65mm

SKU: KK-3300M-24
MPN: 3300M-24

Save $4.10
Ko-ken 3300M-25 3/8 Sq. Dr. Socket 25mm 6 point Length 65mm

Ko-ken 3300M-25 3/8 Sq. Dr. Socket 25mm 6 point Length 65mm

SKU: KK-3300M-25
MPN: 3300M-25

Save $5.31
Ko-ken 3300M-26 3/8 Sq. Dr. Socket 26mm 6 point Length 65mm

Ko-ken 3300M-26 3/8 Sq. Dr. Socket 26mm 6 point Length 65mm

SKU: KK-3300M-26
MPN: 3300M-26

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Ko-ken 3300M-27 3/8 Sq. Dr. Socket 27mm 6 point Length 65mm

Ko-ken 3300M-27 3/8 Sq. Dr. Socket 27mm 6 point Length 65mm

SKU: KK-3300M-27
MPN: 3300M-27

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Ko-ken 3300M-5.5 3/8 Sq. Dr. Socket 5.5mm 6 point Length 55mm

Ko-ken 3300M-5.5 3/8 Sq. Dr. Socket 5.5mm 6 point Length 55mm

SKU: KK-3300M-5.5
MPN: 3300M-5.5

Save $2.25
Ko-ken 3300M-6 3/8 Sq. Dr. Socket 6mm 6 point Length 55mm

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

SKU: KK-3300M-6
MPN: 3300M-6

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

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

SKU: KK-3300M-7
MPN: 3300M-7

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

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

SKU: KK-3300M-8
MPN: 3300M-8

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

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

SKU: KK-3300M-8(L120)
MPN: 3300M-8(L120)

Save $8.57
Ko-ken 3300M-9 3/8 Sq. Dr. Socket 9mm 6 point Length 55mm

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

SKU: KK-3300M-9
MPN: 3300M-9

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Ko-ken 3300M/4-L120 3/8 Sq. Dr. Socket set 8mm-14mm 6 point Length 120mm 4 pieces

Ko-ken 3300M/4-L120 3/8 Sq. Dr. Socket set 8mm-14mm 6 point Length 120mm 4 pieces

SKU: KK-3300M/4-L120
MPN: 3300M/4-L120

Save $35.67
Ko-ken 3300P-19 3/8 Sq. Dr. Spark Plug Socket 19mm 6 point Length 65mm Magnet

Ko-ken 3300P-19 3/8 Sq. Dr. Spark Plug Socket 19mm 6 point Length 65mm Magnet

SKU: KK-3300P-19
MPN: 3300P-19

Save $10.91
Ko-ken 3300X-10 3/8 Sq. Dr. Socket 10mm 6 point Length 40mm

Ko-ken 3300X-10 3/8 Sq. Dr. Socket 10mm 6 point Length 40mm

SKU: KK-3300X-10
MPN: 3300X-10

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Ko-ken 3300X-11 3/8 Sq. Dr. Socket 11mm 6 point Length 40mm

Ko-ken 3300X-11 3/8 Sq. Dr. Socket 11mm 6 point Length 40mm

SKU: KK-3300X-11
MPN: 3300X-11

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Ko-ken 3300X-12 3/8 Sq. Dr. Socket 12mm 6 point Length 40mm

Ko-ken 3300X-12 3/8 Sq. Dr. Socket 12mm 6 point Length 40mm

SKU: KK-3300X-12
MPN: 3300X-12

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Ko-ken 3300X-13 3/8 Sq. Dr. Socket 13mm 6 point Length 40mm

Ko-ken 3300X-13 3/8 Sq. Dr. Socket 13mm 6 point Length 40mm

SKU: KK-3300X-13
MPN: 3300X-13

Save $2.39
Ko-ken 3300X-14 3/8 Sq. Dr. Socket 14mm 6 point Length 40mm

Ko-ken 3300X-14 3/8 Sq. Dr. Socket 14mm 6 point Length 40mm

SKU: KK-3300X-14
MPN: 3300X-14

Save $2.39
Ko-ken 3300X-15 3/8 Sq. Dr. Socket 15mm 6 point Length 40mm

Ko-ken 3300X-15 3/8 Sq. Dr. Socket 15mm 6 point Length 40mm

SKU: KK-3300X-15
MPN: 3300X-15

Save $2.53