Staedtler Professional Engineers 12in Triangular Scale

Color-coded grooves for quick and accurate selection Professional quality , solid extruded aluminum resistant to all weather conditions . Easy to read, long-lasting imprinted graduations. Made of sturdy weather-resistant aluminum for added durability. 12in triangular Professional scale offers easy reading. 3 sides with 6 different scales featuring die-engraved graduations. Color-coded grooves for easy identification.