Perfect ACCESSORY IMPROVEMENT, ART CRAFT AND WOODWORKS - 120 grits can use for smoothing inside and outside curved edges, surface preparation, finishing soft and hard exteriors like wood, woodworks, fiberglass and to shape fine woodcraft 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 COMPATIBLE WITH - Common and standard size fit for all tools like etc Color: Black + purple Sanding Bands Size: 1/2, 3/8 & 1/4 inch Sanding Bands Material: Aluminum oxide Sander Drum Size: 1/2, 3/8 & 1/4 inch and 1/8 inch Package Contents: 20 * 1/2 inch Sanding Bands 20 * 3/8 inch Sanding Bands 20 * 1/4 inch Sanding Bands 2 * 1/2 inch Drum Mandrels 2 * 3/8 inch Drum Mandrels 2 * 1/4 inch Drum Mandrels Only the above package content, other products are not included. Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.