Key features

• •Package include - come with 504 pcs sanding drums and 24 pcs drum mandrels, extra 2 pcs self-tightening drill chuck and 1 pc combination wrench as gifts, totallt 531 pcs in 1 set, suitable for dremel rotary tool (2.35mm/3.17mm)
• •Essential 7 grits sanding drum - the sanding drum set including 7 different grits(80# 120# 150# 240# 320# 400# 600#) and 3 diameters (1/2", 3/8", 1/4"), 24 pcs sander drums for each grit in each diameter
• •Univeral drum mandrels - 24 pcs reusable drum mandrel shanks in 3 diameters(1/2", 3/8", 1/4"), 8 pcs for each size, common and standard size fit for all rotary tools
• •Great compatibility - there are the commonest and standard size sanding drum 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 work
• •Easy installation - ensure the drum have been screwed tightly, the drum mandrels with self-expanding rubber cushion, which make the sanding bands close to the manderl firmly and acheive better finishing(Warm Note: please wear professional safety glasses to protect your eyes, because maybe there are flying grits when the sanding drum turning at high speed)