EASY TO INSTALL - The self-expanding rubber cushioned drum mandrels were specially designed to embrace the sanding bands with a snug fit, keeping the sandpaper sleeves in place, for extra fine artwork Perfect ACCESSORY FOR HOME IMPROVEMENT, ART CRAFT AND WOODWORKS - 120 grits can use for smoothing inside and outside curved edges, preparation, finishing soft and hard exteriors like wood, woodworks, fiberglass and to shape fine woodcraft designs COMPATIBLE WITH - Common and standard size fit for all rotary tools like etc, Weight: 0.110231131 Pounds, Manufacturer: Ehwisbe