1Including Two Pieces: Each set of stair tread templates includes two pieces, which together form a stair tread template. Each section is engraved with an inch size table for easy measurement and marking of the tread template during work. It is securely locked using a premium 4X knob. 2Selected Material: The stair tread template set is made of galvanized steel and basswood, fine workmanship makes the products durable, not easy to damage. 3Precise Cutting and Measurement: Stair tread template set is portable and easy to use. It is an essential tool for precise cutting and measurement. 4Adjusting Angles and Lengths: You can easily adjust angles and lengths of the stair tread template tool to meet any job requirements. 5Scope of Application: The stair tread gauge template tool will help you install stair treads, risers, and shelves.