STAEDTLER 987 19-31BK Triangular Scale Plastic Architects Ruler, 12in Long,
Accurate and versatile ruler is an essential tool for architects who count on precision. Three sides with six different scales. Open divided: 3/32, 1/8, 3/16, 1/4, 3/8, 1/2, 3/4, 1, 1 1/2, 3in = 1 foot. Full divided: inches to 16ths. White plastic.
