The 4-1/2" 10.0 Amp Small Angle Grinder with Lock-On Slide Switch from Milwaukee (6130-33) delivers performance, durability and ease-of-use features for industrial users. A 750 MWO motor provides high overload protection and power for the toughest jobs. Milwaukee's built in advanced airflow system, including Debris Baffles and Multi-Port Exhaust, deflects debris from the inner gears and extends tool life. The epoxy motor protection lasts 25% longer extends tool life by protecting the copper wires from abrasion. The tool-free, burst resistant guard allows the user to quickly adjust the guard without the use of a tool.