The Milwaukee 4-1/2" Small Angle Grinder (Shroud, Paddle, Lock-On) (6142-31S) 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 6142-31S is the perfect match for industrial users. A grip circumference measuring a full 2 in. less than the competition, this Milwaukee grinder provides more control and less fatigue throughout the day. Milwaukee's electronic advantage includes overload protection to maximize motor life, an electronic clutch that extends tool life and helps prevent bind-up, line lock-out that prevents automatic start-up after power loss, and soft start. Featuring a 100% tool-free design, this grinder allows you 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. Also included is a surface grinding dust shroud. When attached to the 8960-20 8 Gallon dust extractor, this solution will be compliant with table 1 of the OSHA regulation on crystalline silica dust (29 cfr 1926.1153).