NIUNIU Set up a ground clamp for welding jobs anywhere in seconds. Check out this handy Magnetic Welding Ground Clamp. A device that speeds up grounding chores for welders. NO-HASSLE SAFETY SETUP - You no longer have to waste your time finding, placing or removing a ground point for a welding job. This device serves as the ground point, which you can take with you anywhere. Simply tack this onto a convenient spot, hook upyour safety wire and you're ready to weld. STRONG MAGNETIC GRIP - This magnetic clamp attaches easily to any smooth metal surface, flat or curved. It holds on tightly, without budging easily. Now that you've got this, you won't have to take minutes searching for a good ground or attaching groundingtabs. OFFERS CONVENIENCE - Sometimes you're faced with a welding job that has limited options for ground points. You don't want to have to damage a car's paint job simply to affix a safety line. This magnetic clamp is handy to have in such situations. You canstick in on a car body and not have to damage the paint. The clamp can also be attached to metal poles, struts, railings or the welding table. Delivery Quantity: 1pc Package Contents: Only the above package contents, excluding other products. Dimensions: screw length 6.5 cm, diameter 1 cm; insulation board length 6 cm; magnet diameter 3.6 cm (Reminder: The size is measured manually, please allow 1-2 cm measurement error) Color: copper (Due to different monitors and lighting effects, the actual color of the item may be slightly different from the color shown on the picture.)