1Accurate and Time-Saving: Improve accuracy and save time before completing the next set of stairs. It is essential for accurate cutting and measuring. 2Adjustable: The tread template will help you lay out stair treads, baseboards, and shelves. Easily adjust the angle and length to meet any job requirement, suitable for stairs, risers, and shelves. 3Reusable: This stair tool is made of impact-resistant and chemical-resistant wood material, which is very durable and reusable. 4Easy to Use: Use 4 knobs to lock firmly in place. The material will not scratch during use. Simple and easy to use, it is essential for accurate cutting and measuring. 5Wide Application: Made of stainless steel to last a lifetime. Perfect for laying out stair treads, risers, and shelves.