Features Universal bevel protractor is used to measure the precise angle of the inner and outer parts of the scribe or angle measuring. Furnished with a bevel edged extension blade, roller knob and fine adjustment. Measuring range is 0-320 degree. Made of high quality carbon steel, practical and durable in use. With high accuracy of 0.02,and easy to use. Universal bevel protractor is used to measure the precise angle of the inner and outer parts of the scribe or angle measuring. Furnished with a bevel edged extension blade, roller knob and fine adjustment. Measuring range is 0-320 degree. Made of high quality carbon steel, practical and durable in use. With high accuracy of 0.02,and easy to use. Specifications: Product model: 0-320 Material: carbon steel Measuring range: 0-320 degrees Measuring accuracy: 0.2 Weight: 526g Package included: 1 x Universal Bevel Protractor 1 x blue box Package List