The GSM Brands Triangular Engineering Scale Aluminum Ruler is a professional drafting tool designed for architects and engineers in India. Measuring 12 inches, it features six precise scales: 1:10, 1:20, 1:30, 1:40, 1:50, and 1:60, all color-coded for quick identification. Crafted from solid anodized aluminum, it offers durability and weight for accurate work. The ruler's triangular shape ensures stability and ease of use during detailed drawings. Its high-quality construction guarantees long-lasting performance, suitable for both classroom and professional settings. Imported directly from the USA, it arrives in India with all duties included, ensuring a hassle-free purchase and swift delivery in 11-13 days.