D1/4" Nail Drill Sanding Bands Replacement Bits with 2 Mandrel Fit Dremel,Grit 80,102 Pics Essential accessory - 80 grit commonest and standard size sanding bands use for smoothing surface and curved edges, polishing both soft and hard materials, like home improvement, artwork and woodworks Good on metals, woods, plastics, ceramics, etc. Easy installation - drum mandrels with self-expanding rubber cushion, making the sanding bands close to the manderl firmly and acheiving better finishing; in case the sanding band fall apart from the mandrel while using, please make sure the drum have been screwed tightly and wear closely to the sleeve 100 piece 80 Grit, 1/2"(6.35mm) Diameter+ 2 piece 1/4" Diameter Mandrels 1/8" shank size (Fit Dremel and other Rotary Tools)