Fabric Rotary Cutter 45mm Scallop & Peak Replacement Blade By Olfa High-quality stainless steel. Perfect for cutting a scallop or peak edge on cloth, fleece, leather, paper and more. Reverse blade for peak edge. Works on Olfa 45mm cutter and Olfa 45mm Ergonomic cutter. Use to finish fleece blankets or scarves. Great for scrapbooking as well as sewing.