Empire True Blue Toolbox Torpedo Level precise measurements with True Blue vials that are accurate to within 0.0005 inch per inch in all working positions. This heavy-duty level features a 12-inch extruded aluminum frame designed for durability and reliability. It includes four vials that measure plumb, level, 45 degrees, and Vari-Pitch, with the Vari-Pitch vial providing slope readings in 1/8 inch increments for added versatility. The level also has a powerful, full-length magnetic edge for secure attachment to metal surfaces and includes a 12-meter metric pitch for additional measurement options. This tool is for professionals seeking accuracy and strength in one compact design. Model Number: EM81.12