ITEM NAME:Metal Welding Magnet Head Magnetic Welding Support Ground Clamp Without Tail Description Specification: Brand new Material: Copper / Insulation Board Magnetic Disc Diameter: approx. 36mm Feature: welding ground clamp. Set up a ground clamp for welding jobs anywhere in seconds. Simply tack this onto a convenient spot, hook up your safety wire and you're ready to weld. clamp attaches easily to any smooth metal surface, flat or curved. The clamp can also be attached to metal poles, struts, railings or the welding table. High strength and hardness. Easy to use. Durable in use. Package included: 1 x Welding Ground Clamp Note: Please allow 1-5mm errors due to manual measurement. Item color displayed in photos may be showing slightly different on your computer monitor since monitors are not calibrated same..Set up a ground clamp for welding jobs anywhere in seconds. Simply tack this onto a convenient spot, hook up your safety wire and you're ready to weld. 1 x Welding Ground Clamp. Material: Copper / Insulation Board.