Material:SS 316,SS304,Carbon steel. Finish:forged,casting.Self Color, Zinc Plated Size: M6-M48 Standard: DIN, ANSI, JIS, BS Wing Nut Material:SS 316,SS304,Carbon steel,Surface:Self Color, Zinc PlatedSize: M6-M48Packaging detail: gunny on the pallet or carton box or as your requirementAccording to customers` drawings and/or samples or designed by ourse Wing Nut