Digital angle rule with two 18-1/2 inch (500mm) stainless steel rules that can be used to calculate angles quickly and accurately and is ideal for woodworking, construction and machining.|Digital display for angles.|Stainless steel rule with metric/imperial scale, scale length 500mm and 18-1/2 inch.|Measuring range from 000.0 deg to 360.0 deg, with accuracy of 0.3 deg.|Rule locking function.|Easy operation with two press buttons. |Auto-shut off in 6 minutes.|Spare battery available ref. BAT/CR2032/3V.|