Specifications Name steel diagonal ruler Colour:Silvery Material:Aluminum Size: 45cm/17.72inch 38cm/14.96inch Description The bevel protractor can slide and lock from 10 degrees to 170 degrees, ensuring the perfect and precise miter angle we can measure, the tool accurately measures the angle, and then locks the angle for a perfect split angle. Easy-to-adjust and easy-to-read markers. The angle ruler can precisely measure any desired angle or shape by tightening or loosening the screws, locking perfectly at any desired angle, while marking as needed without messing with the paper template and cutting them out. Angle squares are widely used for a variety of angle and diagonal problems. Such as tile, brick, stone, wood, laminate cutting and any DIY project. The multi-angle measuring tool can be freely retracted and folded, which is convenient for us to carry and store. Outside and inside corners can be read directly from the scale. Divide the top corner in two without changing the settings. perfect for measuring angles when beveling large slabs, fillets and lintel beams Package Contents: 1 x Angle Goniometer