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 1.04inchx0.51inchx0.51inch 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. Specification: 2.65cmx1.3cmx1.3cm/1.04inchx0.51inchx0.51inch Package Includes: 1Stair Gauge Note: Please allow slightly errors 1-2cm differences due to manual measurement.