Staedtler 12-Inches Engineer Aluminum Triangular Scale (987M1834BK)

Engineer Metal Triangular Scale, 12-Inches-quality professional 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.Graduations 10,20,30,40,50,60 parts to the inch'