Kapro 985D-48B Digiman Magnetic Digital Level with Plumb Site and Carrying Case, 48-Inch Professional-grade box-style digital and spirit level for determining horizontal and vertical plane as well as incline Digital LCD readout displays level and plumb with an accuracy of 0.1, and angle of incline with an accuracy of 0.2 Shockproof, solid acrylic vialsone level and one plumbresist breakage, provide clear readings, and are accurate to 0.0005"/inch (0.5 mm/m) as certified by VPA for precise leveling Digital functions include a mode function for selecting degree, percentage, and pitch, storage and recall of up to nine measurements, and a buzzer at 0, 45, and 90 inclinations Aluminum body for light weight and corrosion resistance, and a magnetic base for adhering to metal surfaces