New generation of shackles with high quality are firmer and more ingenious than the normal shackles. It can be widely used o 1.Standard: European type,US type,DIN type 2.Grade:G100,G80,G70,G433.Material:alloy steel,carbon steel,EN1677 material4. Surface treatment:color painted, self-colored,polished,hot dipped galvanized,electrogalvanized5.specifications:6mm,7/8mm,10mm,13mm,16mm,18/20mm,22mm,26mm ...