Universal protractor, with enlargement, overall length 300 mm. Supplied = assembled. Diameter = 70 mm. Finish = matt chrome plated. Model = with enlargement. Product type = protractors. Can also be used as a ruler, cross and mitre square. With stop screw. Reading taken using magnifying glass for a focus on the full nonius. With precision adjustment by pinion and toothed rim. Indicator dial reading 4 x 90°. Vernier reading 1/12° - 5 angular minutes. Engraved units. Non-reflective matt finish - matt chrome plated. Including 3 measuring bars 150 mm, 200 mm and 300 mm. Non-rusting steel. In a robust plastic case. Ideal for measuring angles on workpieces, fixtures and machines.