Feature: 1. 20mm Opening Size: The clamp has moderate elasticity, and is mostly used as a car battery clip and charging clip, and can also be used for experimental tests and wires. 2. Excellent Performance: The battery charger clamp is high quality and insulated, the overall jaws can perfectly and firmly bite with strong clamping, long‑term use without deformation. 3. Professional Production: Battery charger clip is manufactured by high accuracy technology, specially designed with strong connectivity and good electrical conductivity. 4. Wide Application: Widely used in electronic instruments, industrial equipment, electronic equipment, inverters, welding machinery, charging generators, ships, RVs, trucks, automobiles, etc. 5. Set of 5PCS: There are 5 heavy duty battery safety clips in the package, sufficient quantity for you to replace, made of high quality materials, more reliable to use. Specification: Item Type: Battery Charger Clamp Material: Steel + PVC + PE Application: Widely used in electronic instruments, industrial equipment, electronic equipment, inverters, welding machinery, charging generators, ships, RVs, trucks, automobiles, separation and distribution of solar cells, hardware, electronics, electrical appliances, computers, power regulators , game consoles, tape recorders, communication products, etc. Rated Current: 40A Opening Size: Approx. 20mm/0.8in. Package List: 5 x Battery Charger Clamp