Safety ring in the metallic part to avoid losing handle; Side cutting pliers developed according to the scientific ERGOTM process; ERGOTM handles with 2-component combination, thermoplastic surface on tough polypropylene which gives superior grip; Progressive edges: The cutting radius progresses along the edge in order to cut hard material like piano wire close to the joint and soft materials like copper and plastic insulated wire at the tip; Equipped ith a patented return spring featuring an on/off function; Accordingt to DROPS Best Practices; Three versions available: Spring, C- Coated, D-No Spring; According to DROPS best practices