Easily capture and transfer stair tread and riser dimensions for a perfect fit every time. Designed by Stupid Simple Tools, this layout tool accurately replicates length, angle, and position with minimal effort. Crafted from precision CNC-machined 6061 aircraft-grade aluminum and stainless steel for long-lasting, corrosion-resistant performance. The 12" arms fit tight spaces, while the tool extends up to 51.5" wide to handle even the largest stair treads or shelf spans with ease. Stainless steel TAN pins lock in the material edge and can be removed for quick, accurate dimension transfers to your workpiece. We proudly stand behind the quality and precision of our products. If you ever need assistance, our dedicated support team is here to help.