The Stanley FatMax Magnetic Torpedo Level features a die-cast aluminium body for long-lasting durability. The solid block vial provides accuracy of 0.5mm/m and a 180-degree rotating vial is designed to duplicate angles. The level includes a magnified centre vial for improved visibility. This torpedo level also features pipe groove for use on rounded surfaces, and the its rare earth magnets, which are twice as strong as basic strip magnets, are designed for the ultimate in holding power.