Strong Magnets:The switch magnet pull-off force 180 lbs,the magnetic force is real and reliable and has been professionally tested,the most versatile tool for workholding and fixturing Wide Application:Multi-functional permanent magnet switching magnets are widely used in salvage, crane, magnetic pouncer, iron plate separator, machining positioning, welding positioning, building template positioning, fluid filtration, metal screening Efficient Cleaning:When the magnet is off,the adsorbed metal comes off automatically and can be clean, and you 't cut your fingers when following up with dirt Easy to Use:The magnet suction can be easily switched on and off with the help of the handle, which saves time and effort in the process of assisting the positioning of metal Complete Instruction:The switching magnet comes with complete instructions to help you better use and maintain the product, Weight: 1.27427187436 pounds, Manufacturer: Wesafrae