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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 4305M-10 1/2 Sq. Dr. Socket 10mm 12 point Length 77mm

Ko-ken 4305M-10 1/2 Sq. Dr. Socket 10mm 12 point Length 77mm

SKU: KK-4305M-10
MPN: 4305M-10

Save $3.40
Ko-ken 4305M-11 1/2 Sq. Dr. Socket 11mm 12 point Length 77mm

Ko-ken 4305M-11 1/2 Sq. Dr. Socket 11mm 12 point Length 77mm

SKU: KK-4305M-11
MPN: 4305M-11

Save $3.40
Ko-ken 4305M-12 1/2 Sq. Dr. Socket 12mm 12 point Length 77mm

Ko-ken 4305M-12 1/2 Sq. Dr. Socket 12mm 12 point Length 77mm

SKU: KK-4305M-12
MPN: 4305M-12

Save $3.40
Ko-ken 4305M-13 1/2 Sq. Dr. Socket 13mm 12 point Length 77mm

Ko-ken 4305M-13 1/2 Sq. Dr. Socket 13mm 12 point Length 77mm

SKU: KK-4305M-13
MPN: 4305M-13

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Ko-ken 4305M-14 1/2 Sq. Dr. Socket 14mm 12 point Length 77mm

Ko-ken 4305M-14 1/2 Sq. Dr. Socket 14mm 12 point Length 77mm

SKU: KK-4305M-14
MPN: 4305M-14

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Ko-ken 4305M-15 1/2 Sq. Dr. Socket 15mm 12 point Length 77mm

Ko-ken 4305M-15 1/2 Sq. Dr. Socket 15mm 12 point Length 77mm

SKU: KK-4305M-15
MPN: 4305M-15

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Ko-ken 4305M-16 1/2 Sq. Dr. Socket 16mm 12 point Length 77mm

Ko-ken 4305M-16 1/2 Sq. Dr. Socket 16mm 12 point Length 77mm

SKU: KK-4305M-16
MPN: 4305M-16

Save $3.40
Ko-ken 4305M-17 1/2 Sq. Dr. Socket 17mm 12 point Length 77mm

Ko-ken 4305M-17 1/2 Sq. Dr. Socket 17mm 12 point Length 77mm

SKU: KK-4305M-17
MPN: 4305M-17

Save $3.40
Ko-ken 4305M-18 1/2 Sq. Dr. Socket 18mm 12 point Length 77mm

Ko-ken 4305M-18 1/2 Sq. Dr. Socket 18mm 12 point Length 77mm

SKU: KK-4305M-18
MPN: 4305M-18

Save $3.72
Ko-ken 4305M-19 1/2 Sq. Dr. Socket 19mm 12 point Length 77mm

Ko-ken 4305M-19 1/2 Sq. Dr. Socket 19mm 12 point Length 77mm

SKU: KK-4305M-19
MPN: 4305M-19

Save $3.72
Ko-ken 4305M-20 1/2 Sq. Dr. Socket 20mm 12 point Length 77mm

Ko-ken 4305M-20 1/2 Sq. Dr. Socket 20mm 12 point Length 77mm

SKU: KK-4305M-20
MPN: 4305M-20

Save $4.35
Ko-ken 4305M-21 1/2 Sq. Dr. Socket 21mm 12 point Length 77mm

Ko-ken 4305M-21 1/2 Sq. Dr. Socket 21mm 12 point Length 77mm

SKU: KK-4305M-21
MPN: 4305M-21

Save $4.35
Ko-ken 4305M-22 1/2 Sq. Dr. Socket 22mm 12 point Length 77mm

Ko-ken 4305M-22 1/2 Sq. Dr. Socket 22mm 12 point Length 77mm

SKU: KK-4305M-22
MPN: 4305M-22

Save $4.35
Ko-ken 4305M-23 1/2 Sq. Dr. Socket 23mm 12 point Length 77mm

Ko-ken 4305M-23 1/2 Sq. Dr. Socket 23mm 12 point Length 77mm

SKU: KK-4305M-23
MPN: 4305M-23

Save $4.47
Ko-ken 4305M-24 1/2 Sq. Dr. Socket 24mm 12 point Length 77mm

Ko-ken 4305M-24 1/2 Sq. Dr. Socket 24mm 12 point Length 77mm

SKU: KK-4305M-24
MPN: 4305M-24

Save $4.93
Ko-ken 4305M-25 1/2 Sq. Dr. Socket 25mm 12 point Length 77mm

Ko-ken 4305M-25 1/2 Sq. Dr. Socket 25mm 12 point Length 77mm

SKU: KK-4305M-25
MPN: 4305M-25

Save $5.07
Ko-ken 4305M-26 1/2 Sq. Dr. Socket 26mm 12 point Length 77mm

Ko-ken 4305M-26 1/2 Sq. Dr. Socket 26mm 12 point Length 77mm

SKU: KK-4305M-26
MPN: 4305M-26

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Ko-ken 4305M-27 1/2 Sq. Dr. Socket 27mm 12 point Length 77mm

Ko-ken 4305M-27 1/2 Sq. Dr. Socket 27mm 12 point Length 77mm

SKU: KK-4305M-27
MPN: 4305M-27

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Ko-ken 4305M-28 1/2 Sq. Dr. Socket 28mm 12 point Length 77mm

Ko-ken 4305M-28 1/2 Sq. Dr. Socket 28mm 12 point Length 77mm

SKU: KK-4305M-28
MPN: 4305M-28

Save $6.16
Ko-ken 4305M-29 1/2 Sq. Dr. Socket 29mm 12 point Length 77mm

Ko-ken 4305M-29 1/2 Sq. Dr. Socket 29mm 12 point Length 77mm

SKU: KK-4305M-29
MPN: 4305M-29

Save $6.48
Ko-ken 4305M-30 1/2 Sq. Dr. Socket 30mm 12 point Length 77mm

Ko-ken 4305M-30 1/2 Sq. Dr. Socket 30mm 12 point Length 77mm

SKU: KK-4305M-30
MPN: 4305M-30

Save $6.48
Ko-ken 4305M-31 1/2 Sq. Dr. Socket 31mm 12 point Length 77mm

Ko-ken 4305M-31 1/2 Sq. Dr. Socket 31mm 12 point Length 77mm

SKU: KK-4305M-31
MPN: 4305M-31

Save $6.48
Ko-ken 4305M-32 1/2 Sq. Dr. Socket 32mm 12 point Length 77mm

Ko-ken 4305M-32 1/2 Sq. Dr. Socket 32mm 12 point Length 77mm

SKU: KK-4305M-32
MPN: 4305M-32

Save $6.48
Ko-ken 4305M-33 1/2 Sq. Dr. Socket 33mm 12 point Length 77mm

Ko-ken 4305M-33 1/2 Sq. Dr. Socket 33mm 12 point Length 77mm

SKU: KK-4305M-33
MPN: 4305M-33

Save $10.01