Features: Strong Magnetic Grip: This magnetic clamp attaches easily to any smooth metal surface, flat or curved. It holds on tightly, without budging easily. You won't have to take minutes searching for a good ground or attaching grounding tabs. Convenient to Use: Sometimes you're faced with a welding job that has limited options for ground points. You don't want to damage a car's paint simply to affix a safety line. This magnetic clamp is handy to use in such situations. You can stick 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. With strong magnetism, large suction. Single absorbing weight 3KG. High quality: Made of copper, iron and insulation board. Durable and sturdy. With copper tail and good welding stability. It can solve the problems of easy falling off of traditional welding and working at high altitude. Easy to operate, save time and effort, and improve work efficiency. Specifications: Item name: Welding magnet head Material: Iron + copper + magnet Color: Multicolor Product weight: 126g Product size: 65*60*32mm Package weight: 128g Package size: 7*4*5cm Package List: 1*Welding magnet head