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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 3405M-25 3/8 Sq. Dr. Socket 25mm 12 point Length 34mm

Ko-ken 3405M-25 3/8 Sq. Dr. Socket 25mm 12 point Length 34mm

SKU: KK-3405M-25
MPN: 3405M-25

Save $2.79
Ko-ken 3405M-26 3/8 Sq. Dr. Socket 26mm 12 point Length 35mm

Ko-ken 3405M-26 3/8 Sq. Dr. Socket 26mm 12 point Length 35mm

SKU: KK-3405M-26
MPN: 3405M-26

Save $2.79
Ko-ken 3405M-5 3/8 Sq. Dr. Socket 5mm 12 point Length 26mm

Ko-ken 3405M-5 3/8 Sq. Dr. Socket 5mm 12 point Length 26mm

SKU: KK-3405M-5
MPN: 3405M-5

Save $1.09
Ko-ken 3405M-5.5 3/8 Sq. Dr. Socket 5.5mm 12 point Length 26mm

Ko-ken 3405M-5.5 3/8 Sq. Dr. Socket 5.5mm 12 point Length 26mm

SKU: KK-3405M-5.5
MPN: 3405M-5.5

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Ko-ken 3405M-6 3/8 Sq. Dr. Socket 6mm 12 point Length 26mm

Ko-ken 3405M-6 3/8 Sq. Dr. Socket 6mm 12 point Length 26mm

SKU: KK-3405M-6
MPN: 3405M-6

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Ko-ken 3405M-7 3/8 Sq. Dr. Socket 7mm 12 point Length 26mm

Ko-ken 3405M-7 3/8 Sq. Dr. Socket 7mm 12 point Length 26mm

SKU: KK-3405M-7
MPN: 3405M-7

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Ko-ken 3405M-8 3/8 Sq. Dr. Socket 8mm 12 point Length 26mm

Ko-ken 3405M-8 3/8 Sq. Dr. Socket 8mm 12 point Length 26mm

SKU: KK-3405M-8
MPN: 3405M-8

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Ko-ken 3405M-9 3/8 Sq. Dr. Socket 9mm 12 point Length 26mm

Ko-ken 3405M-9 3/8 Sq. Dr. Socket 9mm 12 point Length 26mm

SKU: KK-3405M-9
MPN: 3405M-9

Save $1.09
Ko-ken 3405W-1/2 3/8 Sq. Dr. Socket Whitworth 1/2 12 point Length 33mm

Ko-ken 3405W-1/2 3/8 Sq. Dr. Socket Whitworth 1/2 12 point Length 33mm

SKU: KK-3405W-1/2
MPN: 3405W-1/2

Save $2.66
Ko-ken 3405W-1/4 3/8 Sq. Dr. Socket Whitworth 1/4 12 point Length 26mm

Ko-ken 3405W-1/4 3/8 Sq. Dr. Socket Whitworth 1/4 12 point Length 26mm

SKU: KK-3405W-1/4
MPN: 3405W-1/4

Save $1.72
Ko-ken 3405W-1/8 3/8 Sq. Dr. Socket Whitworth 1/8 12 point Length 26mm

Ko-ken 3405W-1/8 3/8 Sq. Dr. Socket Whitworth 1/8 12 point Length 26mm

SKU: KK-3405W-1/8
MPN: 3405W-1/8

Save $1.41
Ko-ken 3405W-3/16 3/8 Sq. Dr. Socket Whitworth 3/16 12 point Length 26mm

Ko-ken 3405W-3/16 3/8 Sq. Dr. Socket Whitworth 3/16 12 point Length 26mm

SKU: KK-3405W-3/16
MPN: 3405W-3/16

Save $1.41
Ko-ken 3405W-3/8 3/8 Sq. Dr. Socket Whitworth 3/8 12 point Length 30mm

Ko-ken 3405W-3/8 3/8 Sq. Dr. Socket Whitworth 3/8 12 point Length 30mm

SKU: KK-3405W-3/8
MPN: 3405W-3/8

Save $1.96
Ko-ken 3405W-5/16 3/8 Sq. Dr. Socket Whitworth 5/16 12 point Length 28mm

Ko-ken 3405W-5/16 3/8 Sq. Dr. Socket Whitworth 5/16 12 point Length 28mm

SKU: KK-3405W-5/16
MPN: 3405W-5/16

Save $1.90
Ko-ken 3405W-7/16 3/8 Sq. Dr. Socket Whitworth 7/16 12 point Length 32mm

Ko-ken 3405W-7/16 3/8 Sq. Dr. Socket Whitworth 7/16 12 point Length 32mm

SKU: KK-3405W-7/16
MPN: 3405W-7/16

Save $2.41
Ko-ken 3405W-9/16 3/8 Sq. Dr. Socket Whitworth 9/16 12 point Length 35mm

Ko-ken 3405W-9/16 3/8 Sq. Dr. Socket Whitworth 9/16 12 point Length 35mm

SKU: KK-3405W-9/16
MPN: 3405W-9/16

Save $3.62
Ko-ken 3445A-1/2 3/8 Sq. Dr. Universal Socket 1/2 12 point Length 51mm

Ko-ken 3445A-1/2 3/8 Sq. Dr. Universal Socket 1/2 12 point Length 51mm

SKU: KK-3445A-1/2
MPN: 3445A-1/2

Save $7.30
Ko-ken 3445A-11/16 3/8 Sq. Dr. Universal Socket 11/16 12 point Length 54.5mm

Ko-ken 3445A-11/16 3/8 Sq. Dr. Universal Socket 11/16 12 point Length 54.5mm

SKU: KK-3445A-11/16
MPN: 3445A-11/16

Save $7.64
Ko-ken 3445A-3/4 3/8 Sq. Dr. Universal Socket 3/4 12 point Length 56.5mm

Ko-ken 3445A-3/4 3/8 Sq. Dr. Universal Socket 3/4 12 point Length 56.5mm

SKU: KK-3445A-3/4
MPN: 3445A-3/4

Save $7.64
Ko-ken 3445A-3/8 3/8 Sq. Dr. Universal Socket 3/8 12 point Length 48mm

Ko-ken 3445A-3/8 3/8 Sq. Dr. Universal Socket 3/8 12 point Length 48mm

SKU: KK-3445A-3/8
MPN: 3445A-3/8

Save $7.10
Ko-ken 3445A-5/16 3/8 Sq. Dr. Universal Socket 5/16 12 point Length 47mm

Ko-ken 3445A-5/16 3/8 Sq. Dr. Universal Socket 5/16 12 point Length 47mm

SKU: KK-3445A-5/16
MPN: 3445A-5/16

Save $7.10
Ko-ken 3445A-5/8 3/8 Sq. Dr. Universal Socket 5/8 12 point Length 53.5mm

Ko-ken 3445A-5/8 3/8 Sq. Dr. Universal Socket 5/8 12 point Length 53.5mm

SKU: KK-3445A-5/8
MPN: 3445A-5/8

Save $7.30
Ko-ken 3445A-7/16 3/8 Sq. Dr. Universal Socket 7/16 12 point Length 49.5mm

Ko-ken 3445A-7/16 3/8 Sq. Dr. Universal Socket 7/16 12 point Length 49.5mm

SKU: KK-3445A-7/16
MPN: 3445A-7/16

Save $7.10
Ko-ken 3445A-9/16 3/8 Sq. Dr. Universal Socket 9/16 12 point Length 51mm

Ko-ken 3445A-9/16 3/8 Sq. Dr. Universal Socket 9/16 12 point Length 51mm

SKU: KK-3445A-9/16
MPN: 3445A-9/16

Save $7.30