QA1 Jam Nut – 5/16-24 Right Hand – 1/2in Hex 3/16in Wide – Aluminum – 6 Pack

K&N Engineering has been engineering and manufacturing premium, high-performance automotive and powersports products for over 40 years. K&N is the inventor and leading innovator of reusable cotton gauze filter technology for automotive applications.

QA1 offers steel jam nuts for the industrial market. Steel jam nuts are made with high carbon steel and a protective coating and reference ANSI B18.2.2-1972.