OmniEdge Rectangle Ruler, 4" x 36".....Omnigrid OmniEdge Ruler 4 x 36 is a useful addition to your craft kit. The pack contains one 4 x 36-inch straight acrylic ruler with markings and instructions in black. This non-slip quilters ruler provides accuracy while marking, measuring and cutting pieces for your needlework projects, particularly straight and biased pieces. It also features lines that indicate 40- and 60-degree angles. Highlighted outer edges reduce cutting errors when trimming 0.25-inch seam allowances. It also has a 1/8-inch removable lip that adheres to the mat and prevents slippage. Brand: Omnigrid Collection: Omniedge Includes one ruler Dimensions: 4 x 36 inches