Magnetic Sweeper protects tires from damage cause by nails, screws, wire and other steel objects. It can be used in foundries, parking lots, driveways, construction sites, loading docks, trunk terminal, landfill roads, airports, stadium, ship yards and race tracts.They can drastically reduce tire repair and replacement costs and eliminate costly downtime by keeping vehicles in a service. User can recover the cost of magnetic sweeper in few weeks, and then continue to save, year after year. Operation is Simple. Magnetic Sweeper are moved over areas that need cleaning, automatically picking up loose pieces of ferrous material and holding them until the load is ready to be discharged. Sweeper are non- electric, they cost nothing to operate because they are built with permanent magnets.The Magnesium is covered by a life time warranty.