This lug nut set is made of , which can withstand use. Features the chromium-molybdenum steel and ABS material, which has high durability, not easy to deform. Fine workmanship, ensures practicality. This lug nut set will make the repair and fix easier and smoother. Features -Color:Black -Material:Chromium-molybdenum steel, ABS -Size:3.00X3.00X1.90cm/1.18X1.18X0.75in Note: the outer box is with or without sign - Selected of high grade chromium-molybdenum steel material, high temperature quenching, integrated molding. - 3/8 inch square head square mouth slot, wide ranges of uses. - Specifications are clearly typed, easy to identify and pick up, the surface is , anti-rust and resistant against . - Large depth spiral pattern, strong torque, not easy to slip and break. - Outstanding workmanship, reasonable design, stable and practical, will bring you a . Package list: 1 x 3/4 inch 1 /16 inch 1 x 17mm 1 x 5/8 inch 1 x 9/16 inch 1 x 13mm 1 x 1/2 inch 1 x 12mm 1 x 7/16 inch 1 x 10mm 1 x 3/8 inch 1 x 5/16 inch 1 x 1/4 inch