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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 4405W-3/8 1/2 Sq. Dr. Socket Whitworth 3/8 12 point Length 37mm

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

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

Save $2.05
Ko-ken 4405W-5/16 1/2 Sq. Dr. Socket Whitworth 5/16 12 point Length 37mm

Ko-ken 4405W-5/16 1/2 Sq. Dr. Socket Whitworth 5/16 12 point Length 37mm

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

Save $1.90
Ko-ken 4405W-5/8 1/2 Sq. Dr. Socket Whitworth 5/8 12 point Length 43mm

Ko-ken 4405W-5/8 1/2 Sq. Dr. Socket Whitworth 5/8 12 point Length 43mm

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

Save $3.98
Ko-ken 4405W-7/16 1/2 Sq. Dr. Socket Whitworth 7/16 12 point Length 38mm

Ko-ken 4405W-7/16 1/2 Sq. Dr. Socket Whitworth 7/16 12 point Length 38mm

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

Save $2.46
Ko-ken 4405W-9/16 1/2 Sq. Dr. Socket Whitworth 9/16 12 point Length 42mm

Ko-ken 4405W-9/16 1/2 Sq. Dr. Socket Whitworth 9/16 12 point Length 42mm

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

Save $3.46
Ko-ken 4445A-1/2 1/2 Sq. Dr. Universal Socket 1/2 12 point Length 66mm

Ko-ken 4445A-1/2 1/2 Sq. Dr. Universal Socket 1/2 12 point Length 66mm

SKU: KK-4445A-1/2
MPN: 4445A-1/2

Save $9.89
Ko-ken 4445A-11/16 1/2 Sq. Dr. Universal Socket 11/16 12 point Length 69mm

Ko-ken 4445A-11/16 1/2 Sq. Dr. Universal Socket 11/16 12 point Length 69mm

SKU: KK-4445A-11/16
MPN: 4445A-11/16

Save $10.17
Ko-ken 4445A-3/8 1/2 Sq. Dr. Universal Socket 3/8 12 point Length 63mm

Ko-ken 4445A-3/8 1/2 Sq. Dr. Universal Socket 3/8 12 point Length 63mm

SKU: KK-4445A-3/8
MPN: 4445A-3/8

Save $9.56
Ko-ken 4445A-5/8 1/2 Sq. Dr. Universal Socket 5/8 12 point Length 68mm

Ko-ken 4445A-5/8 1/2 Sq. Dr. Universal Socket 5/8 12 point Length 68mm

SKU: KK-4445A-5/8
MPN: 4445A-5/8

Save $10.17
Ko-ken 4445A-7/16 1/2 Sq. Dr. Universal Socket 7/16 12 point Length 65mm

Ko-ken 4445A-7/16 1/2 Sq. Dr. Universal Socket 7/16 12 point Length 65mm

SKU: KK-4445A-7/16
MPN: 4445A-7/16

Save $9.56
Ko-ken 4445A-9/16 1/2 Sq. Dr. Universal Socket 9/16 12 point Length 66mm

Ko-ken 4445A-9/16 1/2 Sq. Dr. Universal Socket 9/16 12 point Length 66mm

SKU: KK-4445A-9/16
MPN: 4445A-9/16

Save $9.89
Ko-ken 4445M-10 1/2 Sq. Dr. Universal Socket 10mm 12 point Length 63mm

Ko-ken 4445M-10 1/2 Sq. Dr. Universal Socket 10mm 12 point Length 63mm

SKU: KK-4445M-10
MPN: 4445M-10

Save $8.13
Ko-ken 4445M-12 1/2 Sq. Dr. Universal Socket 12mm 12 point Length 65mm

Ko-ken 4445M-12 1/2 Sq. Dr. Universal Socket 12mm 12 point Length 65mm

SKU: KK-4445M-12
MPN: 4445M-12

Save $8.13
Ko-ken 4445M-13 1/2 Sq. Dr. Universal Socket 13mm 12 point Length 66mm

Ko-ken 4445M-13 1/2 Sq. Dr. Universal Socket 13mm 12 point Length 66mm

SKU: KK-4445M-13
MPN: 4445M-13

Save $8.41
Ko-ken 4445M-14 1/2 Sq. Dr. Universal Socket 14mm 12 point Length 66mm

Ko-ken 4445M-14 1/2 Sq. Dr. Universal Socket 14mm 12 point Length 66mm

SKU: KK-4445M-14
MPN: 4445M-14

Save $8.41
Ko-ken 4445M-17 1/2 Sq. Dr. Universal Socket 17mm 12 point Length 69mm

Ko-ken 4445M-17 1/2 Sq. Dr. Universal Socket 17mm 12 point Length 69mm

SKU: KK-4445M-17
MPN: 4445M-17

Save $8.41
Ko-ken 4445M-19 1/2 Sq. Dr. Universal Socket 19mm 12 point Length 71mm

Ko-ken 4445M-19 1/2 Sq. Dr. Universal Socket 19mm 12 point Length 71mm

SKU: KK-4445M-19
MPN: 4445M-19

Save $8.65
Ko-ken 4445M-21 1/2 Sq. Dr. Universal Socket 21mm 12 point Length 72mm

Ko-ken 4445M-21 1/2 Sq. Dr. Universal Socket 21mm 12 point Length 72mm

SKU: KK-4445M-21
MPN: 4445M-21

Save $8.95
Ko-ken 4445M-22 1/2 Sq. Dr. Universal Socket 22mm 12 point Length 72mm

Ko-ken 4445M-22 1/2 Sq. Dr. Universal Socket 22mm 12 point Length 72mm

SKU: KK-4445M-22
MPN: 4445M-22

Save $8.95
Ko-ken 6268M 3/4 Sq. Dr. Socket Set 12 point 15 pieces

Ko-ken 6268M 3/4 Sq. Dr. Socket Set 12 point 15 pieces

SKU: KK-6268M
MPN: 6268M

Save $165.25
Ko-ken 6405A-1 3/4 Sq. Dr. Socket 1 12 point Length 50mm

Ko-ken 6405A-1 3/4 Sq. Dr. Socket 1 12 point Length 50mm

SKU: KK-6405A-1
MPN: 6405A-1

Save $4.58
Ko-ken 6405A-1.1/16 3/4 Sq. Dr. Socket 1.1/16 12 point Length 53mm

Ko-ken 6405A-1.1/16 3/4 Sq. Dr. Socket 1.1/16 12 point Length 53mm

SKU: KK-6405A-1.1/16
MPN: 6405A-1.1/16

Save $4.58
Ko-ken 6405A-1.1/2 3/4 Sq. Dr. Socket 1.1/2 12 point Length 59mm

Ko-ken 6405A-1.1/2 3/4 Sq. Dr. Socket 1.1/2 12 point Length 59mm

SKU: KK-6405A-1.1/2
MPN: 6405A-1.1/2

Save $7.28
Ko-ken 6405A-1.1/4 3/4 Sq. Dr. Socket 1.1/4 12 point Length 57mm

Ko-ken 6405A-1.1/4 3/4 Sq. Dr. Socket 1.1/4 12 point Length 57mm

SKU: KK-6405A-1.1/4
MPN: 6405A-1.1/4

Save $5.41