A versatile tool that allows the angle and depth to be measured simultaneously. The protractor features deep etched graduations 0 - 180° in opposite directions permitting the reading of both the direct and supplementary angles. The rule is graduated in both imperial and metric dimensions up to 150mm (6in) and a knurled thumb nut allows the rule to be locked at the chosen angle. Blade Length: 150mm (6in).Graduations: 0.5mm or 64ths. Features: Easily adjustable protractor head with locking nut Angular measurement range 0° to 180° Angular measurement range 0° to 180° Rule is graduated on both sides Blade Length: 150mm (6in) Specifications: Dimensions: H:23.1 x W:2.1 x D:6.5 cm Colour: Silver Guarantee:5 years Material: Metal Model Number: FAIGAUGEDEPT