OLFA 45mm Rotary Blades, 5-pack Cuts through 6 layers at once Made from high-quality tungsten tool steel Includes plastic blade storage/blade disposal case Fits any OLFA 45mm rotary cutter Also available in 1-, 2- and 10-pack sizes OLFA invented the rotary cutter in 1979 as an alternative to cutting with scissors. This simple yet important invention has literally revolutionized the sewing and quilting industry. OLFA Rotary Cutters come in 4 diffferent sizes which gives you the flexibility to fit the right rotary cutter to the right project. Plus, there are 3 different OLFA handle designs which allows you to choose the right fit for your hand. OLFA also has a full line of high-quality stainless steel blades, perfect for cutting cloth, paper film, photographs, leather, vinyl, wallpaper and more. We offer several sizes included 18mm, 28mm, 24mm, and 600mm as well as decorative edges for creative projects. Perfect for intricate and detailed cutting, this blade is ideal for small-scale projects,and for cutting curved pieces and tight corners Made from high quality stainless steel Fits OLFA RTY_4 and CMP-3 Ideal for small-scale projects and tight corners. Fits any OLFA 28mm Rotary Cutter OLFA&#039;s most popular size and great for medium to large size projects Cuts up to 6 layers of fabric Fits any OLFA 45mm Rotary Cutter Cuts up to 8 layers of fabric Fits any OLFA 60mm Rotary Cutter This durable, high quality stainless steel blade has a razor-sharp edge. Wave edging is very popular among people making crafts such as memory books and scrapbooks and used to product a &#039;wave&#039;like&#039; pattern Create a finished edge on fleece and other fabrics, photographs and paper The scalloped design is perfect for scrap booking, card making, crafts, quilting and more. Made with high quality stainless steel blade ts two blades in one: Use one side to cut a scallop design, the other for a peak design If you want to keep the edge of your fabric from raveling, you need to cut it with a pinking blade Designed to place &#039;teeth&#039; on the edge of fabric to reduce raveling and to add a unique edge to any project