When you install corner decoration, it provides you with Angle data quickly and accurately, omitting complex operations and calculations.

Easy to use, rotate the ruler by hand to get the saw setting angle, then adjust the miter saw to cut, you will get perfectly assembled material.
The easy-to-use tool has two scales. The Miter Cut Arrow and Inner Scale indicate the exact miter saw setting for an accurate miter joint every time. The Single Cut Arrow and outer scale indicate the exact miter saw setting for fitting a single piece to an angle.