Triangular Engineering Scale Aluminum Ruler for Architects, Engineers and Students (12 Inches)

ALL THE SCALES YOU NEED IN ONE PLACE - The 12" TruScale Engineer's triangle ruler provides 6 total scales. 1:10, 1:20, 1:30, 1:40, 1:50, 1:60 HIGH QUALITY CONSTRUCTION - Made of solid (not hollow) high grade anodized aluminum, you'll immediately notice the heavier weight and durability you're looking for. PROFESSIONALLY PRECISE - Created and quality checked for supreme accuracy with exact measurements. EASY TO USE AT A GLANCE - Color coded grooves allow you to quickly and accurately scale drawings. Triangular Engineering Scale Aluminum Ruler, Weight: 0.220462262 Pounds, Manufacturer: GSM Brands