I. Basic Product Information Product Name: Heavy-Duty Manual Cable Cutters Model: RLY-042 Overall Length: 290 mm Net Weight: 1.12 kg II. Structural Advantages Blades are made of high-hardness, specially formulated steel, ensuring sharpness, durability, and smooth cutting Ratchet drive mechanism automatically locks during cutting, preventing slippage or misalignment Equipped with a quick-release mechanism that allows for rapid release of the cable after cutting, reducing effort III. Compatible Cables for Cutting Maximum cutting capacity for all cables: 750 MCM / 350 mm² Multi-strand cables Soft copper and aluminum cables Underground cables IV. Prohibited Materials (Important Restrictions) Do not cut cables containing hard metal cores: steel cores, steel cables, iron wire, aluminum-clad steel-core wire, armored cables, or cables with sheet metal sheaths Do not cut live, energized cables; the handle is not insulated, posing an electric shock hazard Do not cut solid, hard metal rods V. Safety Operating Guidelines Use only for cutting soft, multi-strand copper or aluminum cables; do not use on cables with steel reinforcement layers Ensure the cable is completely de-energized before use; never operate on live cables Continue pressing the handle only after the ratchet has locked into place to prevent slipping and cuts Product Application Description This ratchet-style cable cutter is a manual tool designed specifically for electricians. It is lightweight and portable, suitable for cutting low-voltage copper and aluminum cables in home renovation and construction sites; Thanks to its ratchet-assisted, effort-saving design, a single person can easily cut large-gauge cables up to 350 square, but it is limited to use with pure copper or aluminum cables without steel armor or steel cores. It must not be used for high-voltage or armored power cables.