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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 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