Description: Protractor is made of sturdy stainless steel, permanently engrave markings , durable with long service life. This protractor ruler has a 250mm(approx. 9.84") adjustable protractor ruler arm that can be held in place with the knurled locking nut; quickly and easily identify angles. The ruler protractor is suitable for setting bevels, draw radial lines, measuring and marking angles. The protractor ruler arm and the dial head can be disassembled. Perfect for school, commercial, home, mechanical work, woodworking applications etc. Specification: Material: Stainless steel Size: 250mm, 0-180 degrees rotation Model: Two Arms Package Includes: 1 × Protractor
