Synergy Performance Forged Aluminum Black Lug Nuts 12x1.5 20pc Set Synergy Performance Open End Extended BLACK Tuner Lug nuts Brand new 12x1.5MM 20 pieces lug nuts. Made of high quality CNC machined AL7075 aluminum with anodized finish. * Weight: 27g per lug nut.Length: 50MM. Instruction is NOT included. Professional installation is highly recommended! Item is exactly the same as picture shown.