Faithfull 150mm Hook Loop Sanding Discs are made from aluminium oxide abrasive on a flexible E-weight paper backing. With the added convenience of the Hook Loop quick change system. Pre-punched for use on random orbital sanders with integral dust extraction systems. Suitable for use on wood, metal, plastics and filler. Hole configuration: DID2, 6 hole Pack of 5 Faithfull Hook Loop Sanding Discs 150mm DID2 Medium Fine