Check and transfer angle measurements and have a ready straight edge all in one tool. This compact 7" digital angle locator and ruler is made of durable stainless steel. The digital angle locator displays measurements digitally in degrees on an easy-to-read LCD display. It also features easy two-button operation, including a zero function that lets you set any angle as your zero point. The 7" ruler portion of this tool includes a scale in 1/32's of an inch and in millimeters. And the lock function allows you to easily lock the blades at any angle, which is useful when transferring angles.