[Material] Welding Ground clamp made of solid construction, the solid material offers it excellent clamping and better electrical conductivity, It is great to resist welding splatter, long service life [Design] The Earth clamp adopt G-shaped design, with excellent clamping, Serrated non-slip surface, It is not easy to fall off, safe and reliable to use, can be firmly fixed on the clamping surface [Operate] There is a force lever on the top of the screw, we can easily rotate the screw, easily onto any flat surface you want and adjust the screws as needed for ease of use [Specification] The maximum clamping distance is 43mm/1.7inches, Maximum withstanding current is 500A [Suitable] Suitable for argon arc welding, submerged arc welding, resistance welding and stud welding welding equipment color:Gold Material:copper Package Contents: 1 x welding clamps Only the above package content, other products are not included. Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.