Product Details
The protractor features a scale range of 0 to 180° with a reading of 0.05" and an accuracy of 0.2", providing squareness of 0.001" per inch. It includes hold and flip reading functions as well as a reverse reading function. The blades are made of hardened chrome plate with scratching protection and smoothslide movement. The square head is equipped with a vial level and a metal scriber. A locking lever is included to lock the angle protractor and the blade from movement. The device has an auto shut-off feature and comes with a 3V CR2032 battery included. Sets are supplied in a protective case. Graduations vary by model: the 4R model includes 8ths, 16ths, 32nds, and 64ths; the M model includes 1 mm, 1/2 mm, 1 mm, and 1/2 mm; and the E/M model includes 1 mm, 64ths, 32nds, and 1/2 mm.
