Cutting-edge precision for the modern quilter! ✨ Left- and right-hand numbering for effortless use by all. Perfect for both rotary cutters and straight-edge blades. Crafted from heavy-duty acrylic for long-lasting performance. Achieve flawless cuts every time with our 12.5" square ruler. Patented double-sight lines ensure accuracy on any fabric. 12.5" precision Double-sight lines Laser-cut edges The Omnigrid R125 Quilter's Square is a 12-1/2 x 12-1/2-inch ruler designed for precise cutting and squaring of quilt blocks. Featuring laser-cut edges, double-sight lines, and durable acrylic material, it caters to both left- and right-handed users, making it an essential tool for quilters of all skill levels.