Triangular Scales Provide Accurate, Visible Readings
Professional Triangular Scales are easy to read with nonreflective plastic coating, black graduations and color-coded furrows. 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. Engineers' Scales are 10, 20, 30, 40, 50, 60 parts to the inch. Supplied in hard plastic cases, Triangular Scales come in BL (black) and GR (gray), 12"L.