Spring-loaded action for self-opening. Color-coded handles: red indicates stranded wire- yellow indicates solid wire. Do not use for cutting steel wire or bolts. Easy-to-read wire gauge markings on both sides for stripping in either direction. Compact- lightweight wire-stripping and cutting tool. Hardened steel with precision ground stripping holes. Precision-ground stripping holes for easy removal of insulation. Narrow nose fits into tight places. Black-oxide finish resists corrosion.