* SODIAL is a registered trademark. ONLY Authorized seller of SODIAL can sell under SODIAL listings.. Our products will enhance your experience to unparalleled inspiration. * SODIAL(R) 1:20 1:25 1:50 1:75 1:100 1:125 Plastic Triangular Scale Ruler * Professional Plastic Triangular Scale Ruler 1:20, 1:25, 1:50, 1:75, 1:100, 1:125. * With black letters and yellow, green and red coloured slots, ideal for architect. * Package Content : 1 x Scale Ruler