ITEM NAME:Universal protractor stainless steel 0-320 degrees G3T5 Universal protractor stainless steel 0-320 degrees G3T5 Ideal for measuring the inner and outer angles of the parts Measuring range: 0-320 degree Graduation: 2 '(minutes) Made of hardened stainless steel Scales laser engraving with a bevel blade extension, the scroll button and tuning Fitted in wooden package Includes: 1 x universal protractor 1 x box wood Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.