The simplicity in changing blades makes this rotary cutter from Prym especially convenient - simply push the slide on the back of the handle downwards to release the blade. The sharp blade cuts several fabric layers cleanly with millimetre precision. This handy OLFA rotary cutter is a definite must for patchwork, quilting and other sewing tasks: Perfect both for hard, thick materials and for soft, thin materials, such as towelling, fleece, leather or denim.