It is ergonomically designed for a controlled operation. The front handle is detatchable and the motor housing top is shaped to fit the hand perfectly, giving the user a variety of gripping positions to help relieve fatigue. There are optimum speed selections and assorted accessories for a wide range of sanding jobs. The sanding pad and base have a velcro style attachment for a secure fit and to ease changing of pads. The sanding sheet has 9 holes, designed for efficient flow of dust through machine for collection in dust bag. This helps keep the working enviroment cleaner and also cuts down on cleaning time afterwards.