... Color,Black,Teflon Coating(PTFE) Black, White,Blueness Zinc,Nickel Plating 3.MS,CS,SS Stud Bolts & Nuts Size 1/2 ... (Cr.3 or Cr.6), Dacromet, Hot Dip Galv, Nickel Plating .Packing: CARTON/PALLET ,Standard packing or According to customers' requirements ...