Features: 1) Treatment: zinc plated, chrome plated, plaine, blackened 2) Material: 20#,Q235,45#,40Cr Features:1) Treatment: zinc plated, chrome plated, primed, blackened2) Materials: A3, 20#, 45# steel, 40# chrome, stainless steel3) Specifications:border=0>Packing: Plastic shell, carton, iron pallet Hitch Balls