The 11 Amp 4-1/2" Small Angle Grinder (Paddle, Lock-On) delivers up to 3X more durability and up to 50% more power than the competition. With a 1,400 MWO motor that powers through the toughest jobs, the 6147-30 is the perfect match for industrial users. Featuring a 100% tool-free design, this Grinder allows the user to change all accessories, including hubbed product, without a wrench. In addition, the tool-free, burst resistant, adjustable guard allows users to make quick guard installations and adjustments.