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 8760-200 1 Sq. Dr. Extension Bar    Length 200mm

Ko-ken 8760-200 1 Sq. Dr. Extension Bar Length 200mm

SKU: KK-8760-200
MPN: 8760-200

Sale price $62.96 List price $78.70
Save $15.74
Ko-ken 8760-400 1 Sq. Dr. Extension Bar    Length 400mm

Ko-ken 8760-400 1 Sq. Dr. Extension Bar Length 400mm

SKU: KK-8760-400
MPN: 8760-400

Sale price $94.02 List price $117.52
Save $23.50
Ko-ken PK3760/6 3/8 Sq. Dr. Extension Bar set  32-250mm ABS Tray   6 pieces

Ko-ken PK3760/6 3/8 Sq. Dr. Extension Bar set 32-250mm ABS Tray 6 pieces

SKU: KK-PK3760/6
MPN: PK3760/6

Sale price $86.88 List price $108.60
Save $21.72
Ko-ken PK3763/6 3/8 Sq. Dr. Wobble-Fix Extension Bar set  32-250mm ABS Tray   6 pieces

Ko-ken PK3763/6 3/8 Sq. Dr. Wobble-Fix Extension Bar set 32-250mm ABS Tray 6 pieces

SKU: KK-PK3763/6
MPN: PK3763/6

Sale price $103.65 List price $129.56
Save $25.91