[User-friendly Design] Ease of use is at the forefront of our stair tread tool design. The tool length adjusts easily with four knobs and locks solidly in place for reliable measurements. Simply place the tool between walls, extend it to measure the stair corner's length and angles, and effortlessly fit any corner of the stairs. Each step will be constructed flawefully with minimal effort. [Versatile Adjustability] Equipped with a flexible measuring range of 12 to 60 inches and 0- 300 adjustable angles, our stair gauge assists you in measuring stair treads, risers, and shelves efficiently. Consequently, adjusting the angle, length, and width to meet various worksite requirements becomes an easy task. Be it stairs, risers, or shelves, our tool has got you covered. [Construction with Premium Material] Our stair measuring tool boasts a sturdy construction with high-grade stainless steel and aluminum alloy material. Accompanied by bolts that resist breaking, our tool is designed to last, promising durability, resistance to wear & rust, and high impact resilience. The lightweight composition also fosters easy portability. [Energy & Time Saving] Our stair tread template carries the potential to simplify your work process while acting as a time saver. The tool allows the installer to effortlessly adjust to the correct length and angle, ensuring accurate results without the need for a tape measure. Consequently, this leads to significant time-saving, accelerating the work process. Colour:Blue Material:Metal Package Contents: 1 * 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.