Engineer Plastic Triangle Chain Scale

Black Plastic Triangular ScalesProfessional quality scales made from high-impact plastic with black, non-reflecting dull-matte faces and tapered edges. machine-engraved white graduations and color coded furrows. Supplied in hard plastic case. Sold individually.All architects scales have the following graduations 3/32, 3/16, 1/8, 1/4, 1/2, 1, 3/8, 3/4, 1-1/2, 3" to the foot; one edge graduated to 16ths.All engineers scales have the following graduations unless otherwise noted: 10, 20, 30, 40, 50, 60 parts to the inch.