3.Quickly locked：Securely fixed in place with 4 knobs. The stair tread tool does not scratch materials during use. Simple and easy to operate, it is an indispensable tool for precise cutting and measurement.
4.Reusable：The stair tread gauge can be infinitely reused, very easy to adjust the angle and length to meet any work requirements.
5.Simple Operation：[1] Find the step material and use the stair jig to ensure the neatness of the stair treads in each direction; [2] Determine its height and angle; [3] Use the marker to mark the cutting point.
