Check the listing for details. Multi-Function Stair Tread Gauge No. 506 Aluminum with Laser Printed Scale. Color: Red and Gray, Condition: New, Made in China. Listed at 39.99 USD. The Multi-Function Stair Tread Gauge No. 506 is a durable and flexible measuring tool made of aluminum, featuring a laser printed scale for accuracy. With manual measuring technology and a unique red and gray color combination, this stair tread gauge is designed to help professionals and DIY enthusiasts take precise measurements for stair tread construction. The gauge is easy to use and perfect for achieving consistent results in both home and workshop settings. Made in China, this tool is a must-have for anyone looking to ensure their stair treads are perfectly crafted. Unopened sealed in box. Will be Shipped Same or Next Business Day (unless delayed due to Weather/Holiday) If you have any questions please feel free to message me!(: