Simple blade replacement with just a single click. · Easily switch from right to left hand - no assembly required. · Anti-slip comfortable rubber handle. · Ergonomic grip for reduced hand fatigue. The OLFA Quick-Change Rotary Cutter is a “got to get”. It is truly in a category of its own. It is what you call a real show stopper because it offers an easier and quicker way to change a blade. And there is more. - Its innovative split blade cover eliminates the need to convert the blade for right-hand and left-hand usage. - plus it keeps you safe.