3M™ Fibre Disc Back-up Pad is made to drive and support fibre backed discs during sanding, grinding or finishing processes. This essential pad is designed to fit right angle sanders equipped for TN Quick Change style attachments Essential Support for Every Job Our 3M™ Fibre Disc Back-up Pads provide a sturdy support for fibre backed discs, which enhances the power of the abrasive when sanding, deburring and finishing. These pads are attached to a central shaft by our TN Quick Change attachment system, which is both strong and easy to change. Our 3M™ Fibre Disc Back-up Pads are made of a tough plastic material, which gives support evenly across the surface of the disc. These hard density back-up pads are strong yet still slightly flexible, which allows for smooth application of abrasive discs to metal surfaces.