These Faithfull Sanding Discs are manufactured from Aluminium Oxide abrasive on a flexible paper backing. They have the added convenience of a hook & loop quick change system and are pre-punched for use on random orbital sanders with integral dust extraction systems. Suitable for use on wood, metal, plastics and filler.Pattern: DID2 (6 Hole). Diameter: 150mm.Grade: Coarse (Grit 60). Pack quantity: 5.