Aviation-Grade Aluminum: Made of durable, lightweight aluminum for long-lasting use. Measures 6 inches, ideal for hems, tucks, pleats, and buttonholes. Sliding Marker for Precision: The adjustable marker locks in place for repeated, consistent markings, ensuring even spacing every time. Accurate Measurements: Perfect for measuring buttonholes, seam allowances, hems, and other pattern work. Double-sided scales provide precise readings without flipping the gauge. Smooth & User-Friendly Design: Smooth surface and finely crafted edges allow the sliding gauge to glide easily, making precise sewing and quilting effortless. Versatile & Reliable: A must-have tool for sewing, quilting, and pattern-making projects—keeps your work neat, accurate, and professional.