Direct reading to 5 minutes from 1-3/8" diameter dial. Two-color rotating disc shows 10& graduations and direction of indication in window. Two-color fixed dial clearly indicates the measured values in far spread degree and 5 minute increments. Indicating range 4 x 90&. Stainless steel head and blades, hardened and ground. Head satin chromed. Positive locks. High accuracy and extreme versatility. Includes: Bevel Protractor, 12" blade, acute angle attachment, case.