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 2233A 1/4 Sq. Dr. Adaptor  3/8 Square Length 22mm

Ko-ken 2233A 1/4 Sq. Dr. Adaptor 3/8 Square Length 22mm

SKU: KK-2233A
MPN: 2233A

Sale price $8.01 List price $10.01
Save $2
Ko-ken 3322A 3/8 Sq. Dr. Adaptor  1/4 Square Length 24mm

Ko-ken 3322A 3/8 Sq. Dr. Adaptor 1/4 Square Length 24mm

SKU: KK-3322A
MPN: 3322A

Sale price $9.72 List price $12.14
Save $2.42
Ko-ken 4466A 1/2 Sq. Dr. Adaptor  3/4 Square Length 42mm

Ko-ken 4466A 1/2 Sq. Dr. Adaptor 3/4 Square Length 42mm

SKU: KK-4466A
MPN: 4466A

Sale price $14.84 List price $18.55
Save $3.71
Ko-ken 6644A 3/4 Sq. Dr. Adaptor  1/2 Square Length 47mm

Ko-ken 6644A 3/4 Sq. Dr. Adaptor 1/2 Square Length 47mm

SKU: KK-6644A
MPN: 6644A

Sale price $17.80 List price $22.25
Save $4.45
Ko-ken PK2346/6 1/4, 3/8, 1/2, 3/4 Sq. Dr. Adaptor set  1/4, 3/8, 1/2, 3/4 ABS Tray   6 pieces

Ko-ken PK2346/6 1/4, 3/8, 1/2, 3/4 Sq. Dr. Adaptor set 1/4, 3/8, 1/2, 3/4 ABS Tray 6 pieces

SKU: KK-PK2346/6
MPN: PK2346/6

Sale price $85.21 List price $106.51
Save $21.30