Most can even be operated using just one hand. Despite their smaller size, they can spin up to an impressive 20,000 rpm -- ...

The Milwaukee M12 Fuel 3-inch 12V Brushless Cut Off Tool with 4Ah Battery, Charger, Carbide Abrasive Blade, Diamond Tile Blade, & Tool Bag. $280. You'll save $80. $199 at Walmart.com.