Detailed Product Description Material: stainless steel, carbon steel, alloy steel, copper, ironSurface finish: plating, coatingProduction process: die stamping, drilling, triming, bending, polishing.burring.Features: easy assembling,anti-rust,anti-corrosion,durable using.OEM/ODM drawing welcome3/4" 1" 1.1/4" 1.1/2" 2" 3" 4"