Sanders have a means to attach the sandpaper and a mechanism to move it rapidly contained within a housing with means to hand-hold it or fix it to a workbench. Woodworking sanders are usually powered electrically, and those used in auto-body repair work by compressed air. There are many different types of sanders for different purposes. Multi-purpose power tools and electric drills may have sander attachments.
5mm orbit for high quality finishing.
Compact and light weight providing.
Best power to weight ratio in this class.
High Speed, low vibration.
Ideal for confined work space.