Durable aluminum construction: This stair gauge is built from grade aluminum alloy, delivering longlasting durability and corrosion resistance. It provides a reliable, enduring component for your toolbox. Hexagonal stability: The sixsided design offers a grip on edges compared with round models. Its extended height helps keep the ruler upright against the workpiece, enabling stable and precise clamping. Consistent angle guide: The rightangle marking tool helps reproduce identical angles repeatedly and serves as a dependable guide for cutting angles, improving the accuracy of your woodcraft. Consistent stair layouts: The square auxiliary clamp ensures uniform steps, delivering consistent stair layouts. Use scenarios Stair construction and installation: Clamp treads and risers, mark identical angles, and maintain consistent stair layouts for clean, repeatable results. Framing and joinery: Use as a stable guide to mark right angles and reproduce repeatable angles when cutting and fitting components. General woodworking: Keep pieces aligned and squared while tracing lines, ensuring precise measurements for multiple pieces.