[Material]:Made from aluminum alloy,this Stair Gauge is designed to withstand heavy duty use while maintaining its precision and accuracy [Lightweight and Portable]:With its small size of 1.04inch x 0.51inch x 0.51inch and light weight,this Framing Square Stop is convenient to carry around,making it ideal for both professional use and personal use [Staircase Measurement Tool]:This Stair Gauges also functions as a staircase measurement device with layout marking capabilities,providing accurate measurements for staircase construction or renovation [Wide Application]:This Stair Gauge is suitable for Framing Square,Stair Layout,Rafter Layout,Marking Repetitive Angles,etc [Package Included]:Package includes a piece of this versatile measuring tool in red color