Features: 1) Standard: European type, US type, DIN type 2) Grade: G100, G80, G70, G43 Features: 1) Standard: European type, US type, DIN type 2) Grade: G100, G80, G70, G43 3) Material Features:1) Standard: European type, US type, DIN type2) Grade: G100, G80, G70, G433) Materials: alloy steel, carbon steel, EN1677 material4) Surface treatment: color-painted, self-colored, polished, hot-dipped, ...