... Available: Copper, Brass, Aluminum, Stainless Steel, Steel alloy, etc.(Material to process: aluminum, stainlesssteel, carbon steel, brass, lucite)2, Usage: auto & motorcycle ... roughness: Ra0.8-3.24, Weight: ranging from 0.50g to 10000kg5, Surface finish: polishing, oiled (rust-prevented), zinc-plated, ... service is available.All kinds of parts are provided according to customers drawings or samples.