Common and standard size fit for all tools make the drum have been screwed tightly, drum mandrels with self-expanding rubber cushion, making the sanding bands close to the manderl firmly and achieving better finishing; Note: please wear safety glasses to protect your eyes, because maybe there are flying grits when the sanding drum turning at high speed commonest and standard size drum sander set which are widely applied in smoothing surface and curved edges, polishing both soft and hard materials, like home improvement, artwork , woodworks and other DIY finishing and working colour:Reddish brown material:Metal + alumina Package Contents: 20 * 63mm abrasive belts (80 rings) 20 * 63mm abrasive belts (120 rings) 20 * 63mm abrasive belts (240 rings) 20 * 63mm abrasive belts (320 rings) 20 * 63mm abrasive belts (400 mesh) 20 * 63mm abrasive belt (600 mesh) 20 * 95mm abrasive belts (80 rings) 20 * 95mm abrasive belts (120 rings) 20 * 95mm abrasive belts (240 rings) 20 * 95mm abrasive belts (320 rings) 20 * 95mm abrasive belt (400 meters) 20 * 95mm abrasive belt (600 meters) 20 * 127mm abrasive belts (80 rings) 20 * 127mm abrasive belts (120 rings) 20 * 127mm abrasive belts (240 rings) 20 * 127mm abrasive belts (320 rings) 20 * 127mm abrasive belts (400 grids) 20 * 127mm abrasive belts (80 rings) 4 * 63mm drum mandrels (3) 4 * 63mm drum cores (235) 4 * 95mm drum shaped mandrels (3) 4 * 95mm drum cores (235) 4 * 127mm drum shaped mandrels (3) 4 * 127mm drum shaped mandrels (235) 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.