Wheel Nuts Size: M2-M50, 2#-2-1/4 Material: Middle carbon steel, high carbon steel, stainless steel Grade: 8, 10, 2H, DH Class: 8, 10, 12 Surface: Zinc plated(yellow, black, green), black oxide, nickel plated, chrome plated, Cr+3, hot dip galvanized, brass plated Packing: 1); Bulk packing: Full keg, 1/4 keg(about 20-25kgs per carton), 1/8keg 2): Small color box, 45degree drawer color box, window box, poly bag, blister. Double shell packing or fit-it-kit packing 3)assortment in poly bag or plastic box