Features:
These rotary sanding brands contain 3 diameters (1/2", 3/8" & 1/4").
24 Pcs shank common and standard size fit for all rotary tools .
Make sure the drum has been screwed tightly, drum mandrels with self-expanding rubber cushion, making the sanding bands close to the mandrel 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.
Commonest and standard size drum sander set which are widely applied in smoothing the surface and curved edges, polishing both soft and hard materials, like home improvement, artwork, woodworks, and other DIY finishing and working.

Specifications:
Quantity: 384Pcs(360 pieces sanding bands and 24 pieces sanding drum mandrels)
Grit: 6 Sanding Grit(80 grit, 120 grit, 240 grit, 320 grit, 400 grit, 600 grit)
Sanding bands material: Aluminum oxide
Sanding bands size: 1/2 inch, 3/8 inch, and 1/4 inch
Shank size: 3.2mm/2.4mm

Package Includes:
360 x Sanding bands
24 x Drum mandrels