KK Hand Tools

Ko-Ken hand tools include professional-grade tools and accessories used for assembly, maintenance, and repair in automotive, industrial, and MRO environments (application dependent). Technicians and maintenance teams typically choose these tools for consistent fit on fasteners, durability under daily use, and better access in tight spaces. Because “hand tools” covers many categories, selecting the right item is mainly about matching the tool type and specifications to your fastener sizes, drive system, and working conditions (per listing).


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