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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 AS2405A-1/2 1/4 Sq. Dr. Socket 1/2 12 point 22mm Aerospace

Ko-ken AS2405A-1/2 1/4 Sq. Dr. Socket 1/2 12 point 22mm Aerospace

SKU: KK-AS2405A-1/2
MPN: AS2405A-1/2

Save $1.34
Ko-ken AS2445A-1/2 1/4 Sq. Dr. Universal Socket 1/2 12 point 40.1mm Aerospace

Ko-ken AS2445A-1/2 1/4 Sq. Dr. Universal Socket 1/2 12 point 40.1mm Aerospace

SKU: KK-AS2445A-1/2
MPN: AS2445A-1/2

Save $6.96
Ko-ken AS2445A-1/4 1/4 Sq. Dr. Universal Socket 1/4 12 point 31.8mm Aerospace

Ko-ken AS2445A-1/4 1/4 Sq. Dr. Universal Socket 1/4 12 point 31.8mm Aerospace

SKU: KK-AS2445A-1/4
MPN: AS2445A-1/4

Save $6.88
Ko-ken AS2445A-3/8 1/4 Sq. Dr. Universal Socket 3/8 12 point 35.1mm Aerospace

Ko-ken AS2445A-3/8 1/4 Sq. Dr. Universal Socket 3/8 12 point 35.1mm Aerospace

SKU: KK-AS2445A-3/8
MPN: AS2445A-3/8

Save $6.96
Ko-ken AS2445A-5/16 1/4 Sq. Dr. Universal Socket 5/16 12 point 34.6mm Aerospace

Ko-ken AS2445A-5/16 1/4 Sq. Dr. Universal Socket 5/16 12 point 34.6mm Aerospace

SKU: KK-AS2445A-5/16
MPN: AS2445A-5/16

Save $6.88
Ko-ken AS2445A-7/16 1/4 Sq. Dr. Universal Socket 7/16 12 point 39.1mm Aerospace

Ko-ken AS2445A-7/16 1/4 Sq. Dr. Universal Socket 7/16 12 point 39.1mm Aerospace

SKU: KK-AS2445A-7/16
MPN: AS2445A-7/16

Save $6.96
Ko-ken BD014SE-10 1/4 Hex Dr. Long Socket 10mm 12 point 77mm

Ko-ken BD014SE-10 1/4 Hex Dr. Long Socket 10mm 12 point 77mm

SKU: KK-BD014SE-10
MPN: BD014SE-10

Save $3.51
Ko-ken P2281A-12P 1/4 Sq. Dr. Socket set 12 point Plastic Case 18 pieces

Ko-ken P2281A-12P 1/4 Sq. Dr. Socket set 12 point Plastic Case 18 pieces

SKU: KK-P2281A-12P
MPN: P2281A-12P

Save $46.37
Ko-ken RS2305M/12 1/4 Sq. Dr. Socket set 4-14mm 12 point 12 pieces

Ko-ken RS2305M/12 1/4 Sq. Dr. Socket set 4-14mm 12 point 12 pieces

SKU: KK-RS2305M/12
MPN: RS2305M/12

Save $24.97
Ko-ken RS2405A/9 1/4 Sq. Dr. Socket set 3/16-1/2 12 point 150mm 9 pieces

Ko-ken RS2405A/9 1/4 Sq. Dr. Socket set 3/16-1/2 12 point 150mm 9 pieces

SKU: KK-RS2405A/9
MPN: RS2405A/9

Save $10.12
Ko-ken RS2405M/12 1/4 Sq. Dr. Socket set 4-14mm 12 point 200mm 12 pieces

Ko-ken RS2405M/12 1/4 Sq. Dr. Socket set 4-14mm 12 point 200mm 12 pieces

SKU: KK-RS2405M/12
MPN: RS2405M/12

Save $12.58
Ko-ken RS2445A/9 1/4 Sq. Dr. Universal Socket set 3/16-9/16 12 point 150mm 9 pieces

Ko-ken RS2445A/9 1/4 Sq. Dr. Universal Socket set 3/16-9/16 12 point 150mm 9 pieces

SKU: KK-RS2445A/9
MPN: RS2445A/9

Save $58.85
Ko-ken RS3305M/12 3/8 Sq. Dr. Socket set 8mm-19mm 12 point 300mm 12 pieces

Ko-ken RS3305M/12 3/8 Sq. Dr. Socket set 8mm-19mm 12 point 300mm 12 pieces

SKU: KK-RS3305M/12
MPN: RS3305M/12

Save $29.58
Ko-ken RS3305M/8 3/8 Sq. Dr. Socket set 8mm-19mm 12 point 200mm 8 pieces

Ko-ken RS3305M/8 3/8 Sq. Dr. Socket set 8mm-19mm 12 point 200mm 8 pieces

SKU: KK-RS3305M/8
MPN: RS3305M/8

Save $19.41
Ko-ken RS3305W/7 3/8 Sq. Dr. Socket set Whitworth 1/8-1/2 12 point 200mm 7 pieces

Ko-ken RS3305W/7 3/8 Sq. Dr. Socket set Whitworth 1/8-1/2 12 point 200mm 7 pieces

SKU: KK-RS3305W/7
MPN: RS3305W/7

Save $25.91
Ko-ken RS3305X/8 3/8 Sq. Dr. Socket set 8mm-19mm 12 point 200mm 8 pieces

Ko-ken RS3305X/8 3/8 Sq. Dr. Socket set 8mm-19mm 12 point 200mm 8 pieces

SKU: KK-RS3305X/8
MPN: RS3305X/8

Save $18.99
Ko-ken RS3305XA/9 3/8 Sq. Dr. Socket set 1/4-3/4 12 point 200mm 9 pieces

Ko-ken RS3305XA/9 3/8 Sq. Dr. Socket set 1/4-3/4 12 point 200mm 9 pieces

SKU: KK-RS3305XA/9
MPN: RS3305XA/9

Save $23.71
Ko-ken RS3405A/9 3/8 Sq. Dr. Socket set 1/4-3/4 12 point 200mm 9 pieces

Ko-ken RS3405A/9 3/8 Sq. Dr. Socket set 1/4-3/4 12 point 200mm 9 pieces

SKU: KK-RS3405A/9
MPN: RS3405A/9

Save $12.69
Ko-ken RS3405M/12 3/8 Sq. Dr. Socket set 8-19mm 12 point 300mm 12 pieces

Ko-ken RS3405M/12 3/8 Sq. Dr. Socket set 8-19mm 12 point 300mm 12 pieces

SKU: KK-RS3405M/12
MPN: RS3405M/12

Save $15.63
Ko-ken RS3405M/8 3/8 Sq. Dr. Socket set 8-19mm 12 point 200mm 8 pieces

Ko-ken RS3405M/8 3/8 Sq. Dr. Socket set 8-19mm 12 point 200mm 8 pieces

SKU: KK-RS3405M/8
MPN: RS3405M/8

Save $10.02
Ko-ken RS3405W/7 3/8 Sq. Dr. Socket set Whitworth 1/8-1/2 12 point 200mm 7 pieces

Ko-ken RS3405W/7 3/8 Sq. Dr. Socket set Whitworth 1/8-1/2 12 point 200mm 7 pieces

SKU: KK-RS3405W/7
MPN: RS3405W/7

Save $13.53
Ko-ken RS3445W/7 3/8 Sq. Dr. Universal Socket set Whitworth 1/8-1/2 12 point 200mm 7 pieces

Ko-ken RS3445W/7 3/8 Sq. Dr. Universal Socket set Whitworth 1/8-1/2 12 point 200mm 7 pieces

SKU: KK-RS3445W/7
MPN: RS3445W/7

Save $64.73
Ko-ken RS4305A/10 1/2 Sq. Dr. Socket set 3/8-15/16 12 point 300mm 10 pieces

Ko-ken RS4305A/10 1/2 Sq. Dr. Socket set 3/8-15/16 12 point 300mm 10 pieces

SKU: KK-RS4305A/10
MPN: RS4305A/10

Save $41.96
Ko-ken RS4305M/10 1/2 Sq. Dr. Socket set 10-22mm 12 point 300mm 10 pieces

Ko-ken RS4305M/10 1/2 Sq. Dr. Socket set 10-22mm 12 point 300mm 10 pieces

SKU: KK-RS4305M/10
MPN: RS4305M/10

Save $36.30