Precision cutting tool includes replaceable cutting mat for continuing clean cuts. The mat is manufactured to be repositioned as it wears and can be easily replaced as needed. It also features a rigid aluminum handle and base, miter guides for 30, 45, 60 and 90 angles and a safety stop. With its compact 7 x 7" size, the Chopper II can cut wood and styrene strip material up to 1/8".