Level up your drafting game with this STAEDTLER aluminum triangular scale, ideal for engineers and architects, this 12" ruler features six easy-to-read scales with color-coded grooves for quick reference. Built from weather-resistant aluminum, it's your go-to drafting tool for precise measurements from 10 to 60 parts per inch. The durable construction and fade-resistant markings ensure this engineering ruler will be your reliable companion for years of accurate drawings and technical designs. High quality: with roots tracing back to the 17th century, Staedtler emphasizes tradition, innovation, and inspiring creativity for artists, students, and professionals worldwide. Staedtler is for its high-quality writing, drawing, and creative products, including iconic pencils like the Mars Lumograph, colored pencils, markers, and modeling clays (FIMO).Details:Gray and white rulerMeasures 12" (30.5 cm)Made from solid aluminum, this engineer scale stands up to daily wear and harsh weather. The durable lightweight metal construction ensures your measuring tool stays accurate year after yearColor-coded grooves and fade-resistant graduations make this engineering ruler a breeze to read. Quick scale selection means less time squinting, more time creatingThis 12" ruler packs versatility with 10-60 parts per inch across three sides. As a scale ruler for blueprints, or technical drawings, you've got all the scales you needFrom blueprints to technical drawings, this architect scale ruler delivers spot-on accuracy. The triangular design fits naturally in your hand for comfortable all-day useEasy-to-read imprinted graduations are designed to hold up against fading