Expands up to 24 inches to divide any length into 1–7 equal parts instantly — perfect for buttonholes, pleats, smocking, patchwork, and parallel quilting lines without calculations. Premium Aluminum Construction: Made from aerospace-grade aluminum alloy, this gauge is lightweight, rust-free, and far more durable than plastic alternatives. Smooth to handle and built to last. Stable pivot joints allow seamless gliding and consistent spacing, keeping every expansion parallel and accurate for professional results. Sharp marking tips and engraved ¼-inch scales ensure precise placement on fabric, leather, or paper patterns.