1). Wire thickness: 0.1~10mm 2). Material: Carbon steel, alloy spring steel, and stainless steel, etc. 3). Finish: Black oxide, Zinc/Nicke/Chrome plating, oiled to prevent Rust, passivate, etc. 4). Good quality. Good hardness and long service life. 5). It's made by DIN2093 Standared. Add to Basket
