Magnetic Torpedo LevelStrong Polycast® frame allows level to function with maximum accuracy. Non-conductive frame insulates from heat, cold and electricity for increased safety. Strong holding magnetic edge for extra efficiency. Vials read plumb, level and 45°. Ideal for working in tight spaces. Base Type: Grooved, Magnetic; Body Material: Plastic; Brand Name: Polycast®; Length: 9 in; Number of Vials: 3; Structure: I-Beam; Type: Torpedo Spirit Level; Vial Material: Plastic; Vial Positions: 1 45°, 1 Level, 1 Plumb; Weight: 2 1/4 lb.