Master Magnetics 24" Floor Sweeper Magnet with 6" Plastic Wheels is for clearing construction sites, shop aisles, loading docks, parking areas, and stables. It is used by roofers, contractors, and rental stores to collect nails, screws, wires, staples, and other metal remnants. The magnet is easy to operate in water and over most terrain, and it has a durable aluminum housing and a 48-inch handle.