Johnson Level and Tool 1421-1200 12-Inch Magnetic Aluminum Reinforced Torpedo Level Magnetic working edge allows for hands-free use on ferrous metal surfaces Oversized aluminum reinforced frame SurroundView vials reflect ambient light for easy-read 4 vials read plumb, level, 45 & Multi-Pitch V-groove frame fits on pipe and conduit Top-read window for easy viewing Tapered design fits in tool pouch or pocket