The 6140-30 4-1/2 in. 7.5 amp small angle grinder delivers performance, durability and ease-of-use features for industrial users. The X-large paddle switch with lock-on provides increased comfort and ease-of use when operating the grinder in various positions. Milwaukee's built in advanced airflow system, including debris baffles and multi-port exhaust, extends tool life. 25% longer lasting epoxy motor protection 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.