Our Stair Tread Template allows the treadle installer to easily operate and adjust to the correct length and angle, and easily and accurately obtain the required size of the treadle. No tape measure is needed, saving most of the working time. Our Stair Measuring Tool is flexible and adjustable in angle, length and height. The adjustable range is 11inch60inch. It can meet your work requirement. The length of our Stair Measuring Tool can be easily adjusted with four knobs and locked firmly in place. Insert the tool between the two walls, safely stretch and tighten the screws to measure the length and side angles, and then you can use it to measure stairs or risers.Name: Stair Measuring ToolMaterial: aluminum alloyMeasuring range: 11inch60inch/25.4152.4cmWeight: 0.85kgCarton packaging: 35*13*4.3cm/14*5.12*1.7inPacking List:Stair Measuring Ruler*1About Shipping: All items will be shipped within 3 business days after the payment is received. Most times you will receive them within 8-12 days then. The specific delivery time is depend on circumstances.Any questions, please feel free to contact usDuring the shopping process, if you have any questions, please feel free to consult us, we will reply you within 24 hours, wish you a happy shoppingThanks for your cooperation and we'll make you feel satisfied.