Easy installation - make sure 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 professional safety glasses to protect your eyes, because maybe there are flying grits when the sanding drum turning at high speed Great compatibility - 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 |