... request Thick: 0.8mm or according your request Fromwork accessories,Tie Rod Nut Washers,Wing NutMaterial: Carbon SteelDiameter:15mmWasher Size: 100mmx100mm or according to ... Galvanizing, Hot-dip Galvanizing, Dye Blackness, Copper Yellow, etc Single Wing Nut Diameter:15mm Fromwork accessories,Tie Rod Wing Nut ,Plate Washers