3M 255P Hook-it Sandpaper

3M 255P Hook-it discs are aluminium oxide minerals and it has paper abutment in medium weight and Hook-it™ connection.
It has a special cover and providing of this cover prevents filling blanks of sandpaper minarels in the working time. Because of that, it long lasting. It is using on surface cleaning of metal, wood, artificial marble, CTP and similar materials.