Professional Engineering Triangular Scale Ruler, 12 in, Metal

Level up your drafting game with this STAEDTLER aluminum triangular scale (987M1834BK). Ideal for engineers and architects, this 12-inch 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.