Quick Change Sanding Disc/Abrasive Cloth Disc/Sandpaper Disc

Grain:zirconia ,ceramic,calcined aluminium oxide,aluminium oxide
Diameter:25mm/40mm/50mm/75mm
Backing:Plastic/nylon
Application:Heavey removal and high working speed condition,remove burrs and welding spots .
Could use for all kinds steel,aluminum,nonferrous metals,alloys and cast iron.