Omnigrid 8" Right Triangle Ruler: Sewing & Quilting Ruler, Sewing Tools, 9.25" Length, 4.75" Width

The Omnigrid 8" quarter square triangle ruler is used to create quarter-square triangles for finished quilt blocks up to 8"; it has seam allowance calculations included in the measurements. The patented double-sight lines show up on both light and dark fabrics and the laser cut edges help create a smooth, deep cut. It is best used with a rotary cutter or straight-edge blade.