Durable aluminum construction provides long lasting use while delivering reliable, drift measurements. Clear measurement markings and precise readouts enable fast, accurate results with minimal adjustment. Foldable design enhances portability and makes storage easy when not in use. Designed for professionals and enthusiasts alike, suitable for contractors, architects, interior designers, and home renovators seeking a dependable measuring solution. Delivers accurate length readings for seamless stair installations and planning, reducing rework and installation time. Versatile for both residential refurbishments and commercial construction projects, supporting stair installation, planning, and building works with consistent accuracy. Use scenario 1: In a home renovation, measure stair length and overall geometry to plan treads and alignment with confidence. Use scenario 2: On a commercial build, use the gauge to obtain precise measurements for stair assemblies, helping carpenters match components to design intentions. Use scenario 3: During the design phase, architects or interior designers verify stair geometry to inform layout decisions and ensure compatibility with surrounding spaces.