There are 2 sizes of drum sanding sleeves: 4-1/2 x 1-1/2 inch and 4-1/2 x 1 inch. It is suitable for various applications such as polishing wood, metal, plastic, glass, stone, or removing metal rust. This portable spindle sanding drum features a sturdy metal handle on the side opposite the sanding section, away from the drill bit, allowing for even pressure application. It is comfortable to hold, and the bearings in the handle operate smoothly with minimal vibration, making it ideal for hand profiling and smoothing tasks. The drum sander is compatible with most electric drills, including portable drills, cordless drills, and pneumatic drills. The quick-connect shank fits most electric drills such as lithium-powered drills, hand drills, and impact drills. This product can be used for sanding and polishing various materials including metal, wood, and stone. It is ideal for shaping, smoothing grooves, finishing, and other detailed work. This kit is suitable for sanding and polishing curves, contouring, deburring, bore smoothing, material removal, and more. It is especially useful for smoothing curved edges on wooden furniture. Color: As Shown Material: Metal Package Contents: 1 set x spindle sander Note: Light reflection and different displays may cause slight color variations between the image and the actual item. Measurement may vary by +/- 1-3 cm.