The Starrett Prosite® Protractor takes the errpr-prone calculations out of the process of mitre cuts. Simply set your saw to the angle that you raed. Upside down or backwards, the reading is always correct.

This easy-to-use tool has two scales. The red scale and arrow show the angle for a mitre joint, while the black arrows and scale provide the angle to fit a single work piece to an angle.

It is ideal for carpenters, plumbers and all bilding trades that require the measuring and transfer of angles.

Length: 175 mm (7in)