Staedtler Prof-quality Engineer's Triangular Scale - 12" Length - Aluminum - 1 Each - Silver
STD987M1834BK
Professional-quality Engineer's triangular scale features a metal construction using solid-extruded aluminum. Solid-extruded aluminum is resistant to all weather conditions. Color-coded grooves allow an accurate selection of the desired scale. Easy-to-read imprinted graduations are designed to hold up against fading.