Orion 1000 Grit 6" Grip Film Sanding Discs Polyester film backing for durability, flexibility and uniformity. Micro- precision grains increase -speed and accuracy. Advanced resin-over-resin design reduces shelling and increases performance and durability. Proprietary anti-clog technology reduces paper loading and friction, as well as extends product life. Patented SynWave™ Technology simultaneously sands flat and curved surfaces without gouging – reducing finish sanding up to 50%. Smart-sized packs 091420