360 Degree 600mm 60cm (23 5/8 in) Digital Angle Ruler Angle Gauge Finder Meter Protractor Measure metric and imperial scale for automobile, tools, constructions, boating, woodworking and machining Zero Setting function and Automatically shut off in 6 min High resolution of 0.1 and easily transfer miter angleswith no calculations Measuring Range: 0~999.9 (More than 999.9 incorrect display) Can rotate a full 360 and with 0.3 accuracy Ruler's length is up to 600mm(60cm)with scales etched into the faces