The ShopSeries RC4355K has a quick release belt for fast and easy belt changes. The veriable speed control provides greater control on a veriety of materials. A dual-handle design with soft grip allows for better control and improved comfort. A lock-on switch enables continuous use. The ShopSeries belt sander has a 3-inch x 21-inch belt size and a 3 x 5 sanding area. It weighs 6.6 lbs and comes with one 80 grit sanding belt, a dust bag, and a convenient carry case.