Fiskars Rotary Cutters have top-quality cutting performance. Handle is contoured for comfortable grip. Cuts multiple layers of paper and fabric. The perfect tool for cutting foam board, mat board, construction paper, vinyl, fabric, fiberglass, cardboard and many other materials. Left or right handed. 45mm Classic Loop- Hassle free blade change. Curved design provides a natural fit. Blade locks into position with the push of a button. Quilters’ most preferred size.