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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 6400A-31/32 3/4 Sq. Dr. Socket 31/32 6 point Length 50mm

Ko-ken 6400A-31/32 3/4 Sq. Dr. Socket 31/32 6 point Length 50mm

SKU: KK-6400A-31/32
MPN: 6400A-31/32

Save $4.58
Ko-ken 6400A-5/8 3/4 Sq. Dr. Socket 5/8 6 point Length 50mm

Ko-ken 6400A-5/8 3/4 Sq. Dr. Socket 5/8 6 point Length 50mm

SKU: KK-6400A-5/8
MPN: 6400A-5/8

Save $4.34
Ko-ken 6400A-7/8 3/4 Sq. Dr. Socket 7/8 6 point Length 50mm

Ko-ken 6400A-7/8 3/4 Sq. Dr. Socket 7/8 6 point Length 50mm

SKU: KK-6400A-7/8
MPN: 6400A-7/8

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Ko-ken 6400M-14 3/4 Sq. Dr. Socket 14mm 6 point Length 50mm

Ko-ken 6400M-14 3/4 Sq. Dr. Socket 14mm 6 point Length 50mm

SKU: KK-6400M-14
MPN: 6400M-14

Save $3.94
Ko-ken 6400M-16 3/4 Sq. Dr. Socket 16mm 6 point Length 50mm

Ko-ken 6400M-16 3/4 Sq. Dr. Socket 16mm 6 point Length 50mm

SKU: KK-6400M-16
MPN: 6400M-16

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Ko-ken 6400M-17 3/4 Sq. Dr. Socket 17mm 6 point Length 50mm

Ko-ken 6400M-17 3/4 Sq. Dr. Socket 17mm 6 point Length 50mm

SKU: KK-6400M-17
MPN: 6400M-17

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Ko-ken 6400M-18 3/4 Sq. Dr. Socket 18mm 6 point Length 50mm

Ko-ken 6400M-18 3/4 Sq. Dr. Socket 18mm 6 point Length 50mm

SKU: KK-6400M-18
MPN: 6400M-18

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Ko-ken 6400M-19 3/4 Sq. Dr. Socket 19mm 6 point Length 50mm

Ko-ken 6400M-19 3/4 Sq. Dr. Socket 19mm 6 point Length 50mm

SKU: KK-6400M-19
MPN: 6400M-19

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Ko-ken 6400M-20 3/4 Sq. Dr. Socket 20mm 6 point Length 50mm

Ko-ken 6400M-20 3/4 Sq. Dr. Socket 20mm 6 point Length 50mm

SKU: KK-6400M-20
MPN: 6400M-20

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Ko-ken 6400M-21 3/4 Sq. Dr. Socket 21mm 6 point Length 50mm

Ko-ken 6400M-21 3/4 Sq. Dr. Socket 21mm 6 point Length 50mm

SKU: KK-6400M-21
MPN: 6400M-21

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Ko-ken 6400M-22 3/4 Sq. Dr. Socket 22mm 6 point Length 50mm

Ko-ken 6400M-22 3/4 Sq. Dr. Socket 22mm 6 point Length 50mm

SKU: KK-6400M-22
MPN: 6400M-22

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Ko-ken 6400M-23 3/4 Sq. Dr. Socket 23mm 6 point Length 50mm

Ko-ken 6400M-23 3/4 Sq. Dr. Socket 23mm 6 point Length 50mm

SKU: KK-6400M-23
MPN: 6400M-23

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Ko-ken 6400M-24 3/4 Sq. Dr. Socket 24mm 6 point Length 50mm

Ko-ken 6400M-24 3/4 Sq. Dr. Socket 24mm 6 point Length 50mm

SKU: KK-6400M-24
MPN: 6400M-24

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Ko-ken 6400M-25 3/4 Sq. Dr. Socket 25mm 6 point Length 50mm

Ko-ken 6400M-25 3/4 Sq. Dr. Socket 25mm 6 point Length 50mm

SKU: KK-6400M-25
MPN: 6400M-25

Save $4.16
Ko-ken 6400M-26 3/4 Sq. Dr. Socket 26mm 6 point Length 50mm

Ko-ken 6400M-26 3/4 Sq. Dr. Socket 26mm 6 point Length 50mm

SKU: KK-6400M-26
MPN: 6400M-26

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Ko-ken 6400M-27 3/4 Sq. Dr. Socket 27mm 6 point Length 53mm

Ko-ken 6400M-27 3/4 Sq. Dr. Socket 27mm 6 point Length 53mm

SKU: KK-6400M-27
MPN: 6400M-27

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Ko-ken 6400M-28 3/4 Sq. Dr. Socket 28mm 6 point Length 53mm

Ko-ken 6400M-28 3/4 Sq. Dr. Socket 28mm 6 point Length 53mm

SKU: KK-6400M-28
MPN: 6400M-28

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Ko-ken 6400M-29 3/4 Sq. Dr. Socket 29mm 6 point Length 55mm

Ko-ken 6400M-29 3/4 Sq. Dr. Socket 29mm 6 point Length 55mm

SKU: KK-6400M-29
MPN: 6400M-29

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Ko-ken 6400M-30 3/4 Sq. Dr. Socket 30mm 6 point Length 55mm

Ko-ken 6400M-30 3/4 Sq. Dr. Socket 30mm 6 point Length 55mm

SKU: KK-6400M-30
MPN: 6400M-30

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Ko-ken 6400M-31 3/4 Sq. Dr. Socket 31mm 6 point Length 57mm

Ko-ken 6400M-31 3/4 Sq. Dr. Socket 31mm 6 point Length 57mm

SKU: KK-6400M-31
MPN: 6400M-31

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Ko-ken 6400M-32 3/4 Sq. Dr. Socket 32mm 6 point Length 57mm

Ko-ken 6400M-32 3/4 Sq. Dr. Socket 32mm 6 point Length 57mm

SKU: KK-6400M-32
MPN: 6400M-32

Save $4.92
Ko-ken 6400M-33 3/4 Sq. Dr. Socket 33mm 6 point Length 57mm

Ko-ken 6400M-33 3/4 Sq. Dr. Socket 33mm 6 point Length 57mm

SKU: KK-6400M-33
MPN: 6400M-33

Save $5.99
Ko-ken 6400M-34 3/4 Sq. Dr. Socket 34mm 6 point Length 57mm

Ko-ken 6400M-34 3/4 Sq. Dr. Socket 34mm 6 point Length 57mm

SKU: KK-6400M-34
MPN: 6400M-34

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Ko-ken 6400M-35 3/4 Sq. Dr. Socket 35mm 6 point Length 59mm

Ko-ken 6400M-35 3/4 Sq. Dr. Socket 35mm 6 point Length 59mm

SKU: KK-6400M-35
MPN: 6400M-35

Save $5.99