[Material] Measuring Stair Tool is made of aluminum alloy material with reliable quality, waterproof and durability. [Flexible] Stair Jig can help you accurately measure angles and lengths, and the angle is easy to adjust and fix, making the measurement and a professional measuring tool. [Design] Metal Stairs Jig comes with 1in-10in scale marks for easy use. [Measurement Range] The Stair Treads Gauge Template Tool has a measurement range of 8-56 inches and can be to measure spiral stairs, ordinary stairs and stair corners. [Practical Tool] Stair Tread Template Tool is suitable for professional woodworkers and DIY enthusiasts. Accuracy and Time Saving: Improve accuracy and save time, you need to pay for the template before you complete set of stairs. Simple, easy to use, the whole set is essential for accurate cutting and measuring. Colour:Orange Material:Aluminum Alloy Package Contents: 1 set * Stair Tread Gauge Only the above package content, other products are not included. Note: Light reflection 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.