Perfect Design:Each set of stair tread template set consists of two parts, which together constitute a tread template. It allows tread installers to accurately measure cut lengths and angles. This is an indispensable tool for precise cutting and measuring. Easy to Use:Locks securely in place with 4 knobs. Portable, simple, easy to operate, adjust to the correct angle. Precision welding: Strengthen the welding of vulnerable studs to long-term use. The stair clamp is made of stainless steel, which is hard and resistant to damage and bending. Multi-scene application: As a measuring tool, it can be used for all custom tasks such as stair making, marble cutting, etc. Cutting Steps: 1. Assuming all your steps are uneven, make sure your steps are in all directions. 2. Be sure to measure the overall height of the stand. 3. Using a long ruler, make sure the edges of the steps are aligned. 4. Use this tread template tool to mark the front of the 1X2 board you are using. Follow the steps and your cut will be perfect. Colour:silver Material:Stainless steel Package Contents: 1 x stair gauge(unassembled) Only the above package content, other products are not included. Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.