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 3117M.250-10 3/8 Sq. Dr. Extension Socket 10mm 6 point Length 250mm
SKU: KK-3117M.250-10
MPN: 3117M.250-10
Ko-ken 3117M.250-12 3/8 Sq. Dr. Extension Socket 12mm 6 point Length 250mm
SKU: KK-3117M.250-12
MPN: 3117M.250-12
Ko-ken 3117M.250-13 3/8 Sq. Dr. Extension Socket 13mm 6 point Length 250mm
SKU: KK-3117M.250-13
MPN: 3117M.250-13
Ko-ken 3117M.250-14 3/8 Sq. Dr. Extension Socket 14mm 6 point Length 250mm
SKU: KK-3117M.250-14
MPN: 3117M.250-14
Ko-ken 3117M.250-17 3/8 Sq. Dr. Extension Socket 17mm 6 point Length 250mm
SKU: KK-3117M.250-17
MPN: 3117M.250-17
Ko-ken 3117M.250-19 3/8 Sq. Dr. Extension Socket 19mm 6 point Length 250mm
SKU: KK-3117M.250-19
MPN: 3117M.250-19
Ko-ken 3763-125 3/8 Sq. Dr. Wobble-Fix Extension Bar Length 125mm
SKU: KK-3763-125
MPN: 3763-125
Ko-ken 3763-150 3/8 Sq. Dr. Wobble-Fix Extension Bar Length 150mm
SKU: KK-3763-150
MPN: 3763-150
Ko-ken 3763-250 3/8 Sq. Dr. Wobble-Fix Extension Bar Length 250mm
SKU: KK-3763-250
MPN: 3763-250
Ko-ken 3763-32 3/8 Sq. Dr. Wobble-Fix Extension Bar Length 32mm
SKU: KK-3763-32
MPN: 3763-32
Ko-ken 3763-75 3/8 Sq. Dr. Wobble-Fix Extension Bar Length 75mm
SKU: KK-3763-75
MPN: 3763-75
Ko-ken 4117M.125-13 1/2 Sq. Dr. Extension Socket 13mm 6 point Length 125mm
SKU: KK-4117M.125-13
MPN: 4117M.125-13
Ko-ken 4117M.125-14 1/2 Sq. Dr. Extension Socket 14mm 6 point Length 125mm
SKU: KK-4117M.125-14
MPN: 4117M.125-14
Ko-ken 4117M.125-17 1/2 Sq. Dr. Extension Socket 17mm 6 point Length 125mm
SKU: KK-4117M.125-17
MPN: 4117M.125-17
Ko-ken 4117M.125-19 1/2 Sq. Dr. Extension Socket 19mm 6 point Length 125mm
SKU: KK-4117M.125-19
MPN: 4117M.125-19
Ko-ken 4117M.250-13 1/2 Sq. Dr. Extension Socket 13mm 6 point Length 250mm
SKU: KK-4117M.250-13
MPN: 4117M.250-13
Ko-ken 4117M.250-14 1/2 Sq. Dr. Extension Socket 14mm 6 point Length 250mm
SKU: KK-4117M.250-14
MPN: 4117M.250-14
Ko-ken 4117M.250-17 1/2 Sq. Dr. Extension Socket 17mm 6 point Length 250mm
SKU: KK-4117M.250-17
MPN: 4117M.250-17
Ko-ken 4117M.250-19 1/2 Sq. Dr. Extension Socket 19mm 6 point Length 250mm
SKU: KK-4117M.250-19
MPN: 4117M.250-19
Ko-ken 4760-100 1/2 Sq. Dr. Extension Bar Length 100mm
SKU: KK-4760-100
MPN: 4760-100
Ko-ken 4760-1000 1/2 Sq. Dr. Extension Bar Length 1000mm
SKU: KK-4760-1000
MPN: 4760-1000
Ko-ken 4760-125 1/2 Sq. Dr. Extension Bar Length 125mm
SKU: KK-4760-125
MPN: 4760-125
Ko-ken 4760-150 1/2 Sq. Dr. Extension Bar Length 150mm
SKU: KK-4760-150
MPN: 4760-150
Ko-ken 4760-200 1/2 Sq. Dr. Extension Bar Length 200mm
SKU: KK-4760-200
MPN: 4760-200