KK Automotive

Ko-Ken construction products include professional-grade tools and tool accessories used for jobsite assembly, maintenance, and equipment service (application dependent). Construction-focused tool setups are often selected for durability, reliable fastener engagement, and compatibility with common jobsite hardware. Because “construction” can include many tool types, the best way to choose the right item is to match the tool category and specifications to your fastener sizes, drive system, and working conditions (per listing).


Ko-ken 3300FN-12 3/8 Sq. Dr. Socket  12mm Flare Nut Length 53mm

Ko-ken 3300FN-12 3/8 Sq. Dr. Socket 12mm Flare Nut Length 53mm

SKU: KK-3300FN-12
MPN: 3300FN-12

Sale price $44.08 List price $55.09
Save $11.01
Ko-ken SP4300M.110-22 1/2 Sq. Dr. Socket  22mm 6 point 110mm For O2 sensor

Ko-ken SP4300M.110-22 1/2 Sq. Dr. Socket 22mm 6 point 110mm For O2 sensor

SKU: KK-SP4300M.110-22
MPN: SP4300M.110-22

Sale price $49.52 List price $61.90
Save $12.38
Ko-ken SP4300M.85-22 1/2 Sq. Dr. Socket  22mm 6 point 85mm For O2 sensor

Ko-ken SP4300M.85-22 1/2 Sq. Dr. Socket 22mm 6 point 85mm For O2 sensor

SKU: KK-SP4300M.85-22
MPN: SP4300M.85-22

Sale price $44.50 List price $55.62
Save $11.12
Ko-ken SP4305M.77-27 1/2 Sq. Dr. Socket  27mm  77mm For fuel injection pump

Ko-ken SP4305M.77-27 1/2 Sq. Dr. Socket 27mm 77mm For fuel injection pump

SKU: KK-SP4305M.77-27
MPN: SP4305M.77-27

Sale price $31.24 List price $39.04
Save $7.80