This Sew Easy Square Quilting Ruler is great for cutting squares and strips up to 15.5 inches wide. Ideal for squaring up blocks, it will also mark out half-square and quarter-square triangles. There is a 45 degree line for bias strip piecing and a 60 degree line for equilateral triangles. This ruler is suitable for both right-handed and left-handed use, and will be excellent for home sewing projects. Create incredible patchworks and quilts with expert precision.This quilting ruler is available in a range of sizes.Size: 39.4 x 39.4 cm (15.5 x 15.5 inches)Features 45 and 60 degree lines for triangles Made from tough durable acrylicLaser-cut edges for precision cuttingIdeal for squaring up blocksSew Easy Square Quilting Ruler 15.5 x 15.5 Inches