The DX roller cutter is designed with a two-component handle and quick change of the roller cutter. The blade change is done with a simple click, without the use of tools The roller cutter is easily activated by pressing the locking mechanism under the handle The ergonomic design reduces hand fatigue during prolonged use The safety sleeve is two-piece which allows you to safely operate the roller cutter with both right or left hand The roller cutter is a rolling knife blade used to cut various materials in many shapes, such as strips and pieces for sewing, quilting and patchwork projects The blade is made of high quality knife steel which provides unrivaled sharpness and superior edge retention Designed for both right and left handed users.