1、Firmer in Fixing: Comes with 300kg maximum holding force, the on off magnet can firmly hold panels, boards, etc. with different size and shape. 2、Wide Application: Allows for wide application on workpiece clamping, position, alignment, assembly, installation, welding and so on, very useful. 3、On Off Switching: The handle attached enables easier control of the on and off of magnetism, which ensures quick releasing and easy operation. 4、Convenient Using: No debris or damage, the welding magnetic switch requires no electricity, and both cleaning and maintenance are very simple. 5、Simple Carrying: Comes with a light weight and a compact size as well, the magnet fixture block enables convenient carrying for outdoor working.