General description Professional plastic triangular scale ruler designed for architects, featuring multiple scales for precise measurements. Technical specifications Total Size: 32.5 x 2.5 x 2.5 cm / 12.7 x 0.98 x 0.98 inches (L*W*T) Weight: 40 g Scales: 1:20, 1:25, 1:50, 1:75, 1:100, 1:125 Color Options: White, Black, Red, Green, Yellow Package contents 5 x Scale Ruler Other information Note: Light reflection and different displays may cause the color of the item to differ slightly from the actual product. The measurement allowed error is +/- 1-3 cm.