This premium slotted quilting ruler boasts a market-leading outer size of 17-3/4" x 22" and a practical slot area of 13" x 20". Please peel off the white protective film before use for clear measurement. Made of optical-grade high-clarity transparent acrylic, it features a thickened, shatter-resistant build for long-lasting durability. The upgraded anti-snag slots with ±0.02mm tolerance deliver smooth, error-free cutting, and are only compatible with 45mm & 60mm rotary cutters. With 45°/60° angle markings and dedicated scales for 1½-inch & 2½-inch cuts, it effortlessly creates precise squares, diamonds and triangles. Perfect for king-sized quilts, patchwork bags and more, it also works for scrapbooking and home decor crafting, making it a must-have tool for quilters and crafters. Quilting Tools – The XL Ruler for Quilting and other quilting rulers ensure accurate cuts for perfect a blocks and strips every time. Versatile Templates – Includes quilting templates for diverse projects, from beginner to advanced patterns, all in one quilting rulers and templates set. Time-Saving Efficiency – The rulers simplifies fabric cutting, reducing prep time while maintaining professional-grade results. Durable & Easy to Use – Made from high-quality acrylic, these quilt rulers resist bending and slipping, ensuring longevity and ease of handling. Perfect for All Skill Levels – Whether you’re using a quilting ruler or the Ruler for Quilting, these tools cater to quilters of all experience levels.