Stripping Size Range: This wire tool is versatile and can be used with 7-32 AWG (0.03mm²-10mm²) single conductor stranded or solid wire.It is ideal for stripping speaker wire and works on many types of wire. High-quality materials: Made from high-hardness steel strips and fiberglass nylon, this tool is both sturdy and durable.It is suitable for stripping wire, cutting copper, cable and aluminum wire.(Note: Do not use to cut steel material!) Improved Design: This automatic wire stripper is equipped with self-adjusting jaws, eliminating the need for manual readjustment.It works with thin and thick multi-strand conductors, PVC and other types of insulation. Lightweight and Portable: Weighing only 139g and featuring a compact size, this wire stripper is easily transportable and can go anywhere with you. Position limit function: You can set the strip length according to requirements with the position limit function.The stripping length range is 5-20mm, and the stripping blade provides precision that does not damage the core wire.