The versatile Ryobi 10 AMP Multi-Purpose 7 in. Grinder/Sander/Polisher is a tool that has a place in every workshop. Variable speed control allows the user to optimize speed to application, and the tool-less guard adjustment allows ease of use. The three-in-one tool features a newly designed lock-off/lock-on button that prevents accidental starting and offers convenience. Handymen and women across the country know a good value when they see it. When they buy this three-in-one tool, they not only get a quality tool, but also they receive accessories worth more than $30.