45mm Rotary Cutter/Knife Introduced by OLFA in 1979 Popular Quilting, Sewing and General Craft tool. Cuts up to 6 layers of fabric at once. The most popular size available Features a blade safety cover Handle is designed to reduce hand fatigue. The cutter is a rolling razor blade made of high quality tungsten carbide tool steel. Offers excellent edge retention and superior sharpness. Accommodates both right- and left-handed users. Handle guaranteed forever. Package includes 1 blade. Replacement blades RB45, are available here. DISCOUNTED 20%