There are 2 sizes of drum sanding sleeves, 4-1/2x1-1/2inch and 4-1/2x1inch. It is suitable for different occasions, such as polishing wood, metal, plastic, glass, stone or metal rust removal and other occasions. This drum sander is suitable for most electric drills, such as portable drills, cordless drills or pneumatic drills. The quick connect shank is suitable for most electric drills such as lithium drills, hand drills and impact drills. If you're still not sure which drill to buy, contact us and we'll help you pick one. This portable spindle sanding drum has a sturdy metal handle on the other side of the sanding section, away from the drill bit, which makes it very easy to apply even pressure. It is comfortable to hold, and the bearings on the handle are smooth and vibration-free, making it ideal for hand profiling and smoothing projects. This product is suitable for sanding various types of materials such as metal, wood, stone. Ideal for accessories like sand, shapes, grooves, finishes and more. This kit can be used for sanding and polishing curves, dressing, contouring, bore smoothing, material removal and more. Suitable for polishing the and curved edges of wooden furniture to smooth., Weight: 1.65567158762 pounds, Manufacturer: Fpreeza