MAX HEX racing nuts are made from stainless steel, CNC machined. CLEARCOATED finish. 12x1.50 thread (Toyota, Mazda, Hyundai) Sold in a set of 20 & is for use with your 17mm deep socket. Compatible with our lug nut caps sold separately. Ends are threaded to accept colored caps which may interfere with extra long studs. *Always use copper anti-sieze on studs/nuts