1Accurate and Save Time: Improve accuracy and save time before you complete the next set of stairs. It is essential for precise cutting and measurement. 2Adjustable: The tread template will help you lay out the stair treads, skirting boards and shelves. Easily adjust the angle and length to meet any work requirements, suitable for stairs, risers and shelves. 3Reusable: This stair tool is made of impactresistant and chemicalresistant wooden material, which is very durable and reusable. 4Easy to Use: Use 4 knobs to lock firmly in place. The material will not be scratched during use. Simple and easy to use, it is essential for precise cutting and measurement. 5Wide Application: Manufactured of stainless steel to last a lifetime. Perfect for laying out stair treads, risers, and shelving.