drum sanding kit is of utmost quality and has 120 grit bands ideal for long term use on all types of surface preparation and surface finishing work. Mandrels are also made of high quality rubber. drum sanding kit comes with a total of 51 pieces that include sanding bands, rubber mandrels, and shanks of all of the three different sizes that the kit provides. Incredible variety to fit all of your sanding, surface prep and wood finishing needs convenient- This drum sanding kit can go into a Dremel or drill kit and provides you with every size of band, mandrel, and shank necessary to get any surface prep job you need done. Everything you could possibly need in one convenient place easy use- this drum sanding kit is so easy to use that you will be astonished. Simply just screw the shank and mandrel into place and then slip the sand paper grip band right over the mandrel and you are ready to go. Once put into place just use your tool. Its that easy! Reusable- not only does this drum sanding kit have variety, but it is reusable!. You can fit any brand of sanding bands and can be used on multiple brands of Dremel’s and drills. Adding even more versatility than you already know. Turn any rotary tool into a versatile high speed sander.