Fiskars 197930-1004 Ergo Control Rotary Cutter, 45mm Ideal for cutting multiple layers of fabric, paper, felt and even vinyl Rotary blade can be assembled to either side of the rotary cutter, providing optimal blade visibility for both right- and left-handed users High-grade, precision-ground, premium steel 45 mm rotary blade stays sharper longer Rotary blade automatically retracts when you release the handle for safety Full lifetime warranty (excludes blades)