Round nose plier is used to make loops and curves in the wire. A must have for any jewelers toolbox, round nose pliers are normally used to manipulate wire by opening and closing loops, making coils, and wire working with various gauge wires. Made from hardened steel with Rubber handles, self-opening type. Undergone surface fine polishing treatment. You can use apprx 1MM copper, brass, silver, gold wire Only. Round nose plier features dual leaf springs with dual color rubber grip handles. A good set that has the essential tools for jewelry, beading, wire working and wrapping craft and hobbies. Set offers good quality. It is durable, with a box joint construction, an overall length of 12cm.