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KK Hand Tools

Freer Tool & Supply is your trusted, ISO-certified source for Ko-Ken hand tools—delivering the complete lineup of sockets, ratchets, breaker bars, extension bars, and specialty tools engineered for professional results. Every Ko-Ken hand tool is crafted from high-grade chrome vanadium steel and undergoes precision heat treatment, ensuring exceptional durability and long-term performance in demanding industrial and automotive environments.


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 4405A-3/4 1/2 Sq. Dr. Socket 3/4 12 point Length 38mm

Ko-ken 4405A-3/4 1/2 Sq. Dr. Socket 3/4 12 point Length 38mm

SKU: KK-4405A-3/4
MPN: 4405A-3/4

Save $1.73
Ko-ken 4405A-3/8 1/2 Sq. Dr. Socket 3/8 12 point Length 37mm

Ko-ken 4405A-3/8 1/2 Sq. Dr. Socket 3/8 12 point Length 37mm

SKU: KK-4405A-3/8
MPN: 4405A-3/8

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Ko-ken 4405A-5/16 1/2 Sq. Dr. Socket 5/16 12 point Length 36mm

Ko-ken 4405A-5/16 1/2 Sq. Dr. Socket 5/16 12 point Length 36mm

SKU: KK-4405A-5/16
MPN: 4405A-5/16

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Ko-ken 4405A-5/8 1/2 Sq. Dr. Socket 5/8 12 point Length 37mm

Ko-ken 4405A-5/8 1/2 Sq. Dr. Socket 5/8 12 point Length 37mm

SKU: KK-4405A-5/8
MPN: 4405A-5/8

Save $1.61
Ko-ken 4405A-7/16 1/2 Sq. Dr. Socket 7/16 12 point Length 37mm

Ko-ken 4405A-7/16 1/2 Sq. Dr. Socket 7/16 12 point Length 37mm

SKU: KK-4405A-7/16
MPN: 4405A-7/16

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Ko-ken 4405A-7/8 1/2 Sq. Dr. Socket 7/8 12 point Length 40mm

Ko-ken 4405A-7/8 1/2 Sq. Dr. Socket 7/8 12 point Length 40mm

SKU: KK-4405A-7/8
MPN: 4405A-7/8

Save $2.25
Ko-ken 4405A-9/16 1/2 Sq. Dr. Socket 9/16 12 point Length 37mm

Ko-ken 4405A-9/16 1/2 Sq. Dr. Socket 9/16 12 point Length 37mm

SKU: KK-4405A-9/16
MPN: 4405A-9/16

Save $1.58
Ko-ken 4405M-10 1/2 Sq. Dr. Socket 10mm 12 point Length 37mm

Ko-ken 4405M-10 1/2 Sq. Dr. Socket 10mm 12 point Length 37mm

SKU: KK-4405M-10
MPN: 4405M-10

Save $1.39
Ko-ken 4405M-11 1/2 Sq. Dr. Socket 11mm 12 point Length 37mm

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

SKU: KK-4405M-11
MPN: 4405M-11

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

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

SKU: KK-4405M-12
MPN: 4405M-12

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Ko-ken 4405M-13 1/2 Sq. Dr. Socket 13mm 12 point Length 37mm

Ko-ken 4405M-13 1/2 Sq. Dr. Socket 13mm 12 point Length 37mm

SKU: KK-4405M-13
MPN: 4405M-13

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Ko-ken 4405M-14 1/2 Sq. Dr. Socket 14mm 12 point Length 37mm

Ko-ken 4405M-14 1/2 Sq. Dr. Socket 14mm 12 point Length 37mm

SKU: KK-4405M-14
MPN: 4405M-14

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Ko-ken 4405M-15 1/2 Sq. Dr. Socket 15mm 12 point Length 37mm

Ko-ken 4405M-15 1/2 Sq. Dr. Socket 15mm 12 point Length 37mm

SKU: KK-4405M-15
MPN: 4405M-15

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

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

SKU: KK-4405M-16
MPN: 4405M-16

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Ko-ken 4405M-17 1/2 Sq. Dr. Socket 17mm 12 point Length 37mm

Ko-ken 4405M-17 1/2 Sq. Dr. Socket 17mm 12 point Length 37mm

SKU: KK-4405M-17
MPN: 4405M-17

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Ko-ken 4405M-18 1/2 Sq. Dr. Socket 18mm 12 point Length 37mm

Ko-ken 4405M-18 1/2 Sq. Dr. Socket 18mm 12 point Length 37mm

SKU: KK-4405M-18
MPN: 4405M-18

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Ko-ken 4405M-19 1/2 Sq. Dr. Socket 19mm 12 point Length 38mm

Ko-ken 4405M-19 1/2 Sq. Dr. Socket 19mm 12 point Length 38mm

SKU: KK-4405M-19
MPN: 4405M-19

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Ko-ken 4405M-20 1/2 Sq. Dr. Socket 20mm 12 point Length 38mm

Ko-ken 4405M-20 1/2 Sq. Dr. Socket 20mm 12 point Length 38mm

SKU: KK-4405M-20
MPN: 4405M-20

Save $1.89
Ko-ken 4405M-21 1/2 Sq. Dr. Socket 21mm 12 point Length 38mm

Ko-ken 4405M-21 1/2 Sq. Dr. Socket 21mm 12 point Length 38mm

SKU: KK-4405M-21
MPN: 4405M-21

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Ko-ken 4405M-22 1/2 Sq. Dr. Socket 22mm 12 point Length 40mm

Ko-ken 4405M-22 1/2 Sq. Dr. Socket 22mm 12 point Length 40mm

SKU: KK-4405M-22
MPN: 4405M-22

Save $2.05
Ko-ken 4405M-23 1/2 Sq. Dr. Socket 23mm 12 point Length 40mm

Ko-ken 4405M-23 1/2 Sq. Dr. Socket 23mm 12 point Length 40mm

SKU: KK-4405M-23
MPN: 4405M-23

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Ko-ken 4405M-24 1/2 Sq. Dr. Socket 24mm 12 point Length 42mm

Ko-ken 4405M-24 1/2 Sq. Dr. Socket 24mm 12 point Length 42mm

SKU: KK-4405M-24
MPN: 4405M-24

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Ko-ken 4405M-25 1/2 Sq. Dr. Socket 25mm 12 point Length 42mm

Ko-ken 4405M-25 1/2 Sq. Dr. Socket 25mm 12 point Length 42mm

SKU: KK-4405M-25
MPN: 4405M-25

Save $2.66
Ko-ken 4405M-26 1/2 Sq. Dr. Socket 26mm 12 point Length 42mm

Ko-ken 4405M-26 1/2 Sq. Dr. Socket 26mm 12 point Length 42mm

SKU: KK-4405M-26
MPN: 4405M-26

Save $2.66