The 554J-US forming tool forms a "J" hook in leads up to a .031"(.775mm) diameter with an inside diameter of .060"(1.5mm) and an outside diameter of .125"(3.125mm). This tool is Antimicrobial Anti-Static (10¹⁰ ohms/sq). This tool is made of carbon tool steel. It features Molded TealShield™ Antimicrobial ergonomic grips