Chrome plated steel material, sturdy and durable, with higher bearing capacity. Serrated bite, firm and non-slip, stronger bite ability. Automatic hook, easy to use: The hook design offers excellent operability. When the work is finished, the hook is automatically hooked and the clamp is automatically removed when lifting, which is very convenient. Enlarged nut, easy to disassemble, fast connection speed, large load voltage. Application: Widely used in stone, steel, wood, tombstones, railway machinery, chemical industry, port, mining, construction and many other industries., Manufacturer: ZOCWJK