The Dungeness Crack’n Crab Cleaner Is a system designed to clean live Dungeness crab Quickly and Easily! It can be also be used to measure your Dungeness crab for legal size. Measures 5 ¾”, 6”, 6 ¼” and 6 ½” at outside edge. It will make cleaning live Dungeness crab easier than you ever thought possible. It also works on already cooked Dungeness crab.