1.Material: Stainless steel, Carbon steel, Alloy steel 2.Size: kinds of 3.Usage: Marine hardware, Building, Electric power Stainless steel screw rod 1.Material: Stainless steel, Carbon steel, Alloy steel2 ... thimble, link & chain, hook, bolt & nut.Power accessories: power shackle, rod, eye bolt, malleable cast iron parts and special products.Auto ...