This is a professionally featured 3 In. x 18 In. sander at a great value. The 5.3 amp motor provides power and performance for large surface sanding jobs. Belt maintenance is simple with the belt tension system, which keeps the belt aligned during use, and tension release lever, for quick and easy belt changes. For big jobs, the lock-on trigger makes extended use more comfortable. And you will appreciate the no-mess circular dust port, which allows you to use the dust bag that is included or an external vacuum to keep the work area clean. Ryobi. Pro Features. Affordable Prices.