Bevel Protractor features a vernier dial with 5¡ graduations. Attached magnifier offers easier viewing of dial. Protractor includes 6Ã and 12Ã rulers, and an angle attachment finished in satin chrome, and a fitted case. Universal Dial Protractor features a wide spaced dial with graduations of 5¡. Protractor includes 6Ã and 12Ã rulers, and lock and acute angle attachments made of hardened stainless steel with a satin chrome finish. Fitted case also included. Digital Protractor features a digital LCD for inclination values. Measurements are generated by an electronic gravity sensor and processed through an electronic circuit. Other features include alternate zero (reference), display hold, and a machined aluminum frame.