High-grade aluminium oxide grit on D weight hook & loop backed paper. Suitable for sanding and finishing wood, painted surfaces and fillers. These 140mm hook and loop fixing, resin bonded corner sanding discs feature high-grade aluminium oxide grit and heavy weight paper backing. They are suitable for sanding wood, metal, plastics, plaster, fillers and painted surfaces. Features: 5 Holes / 240 Grit / Ultra Fine Grade / 140mm Length / 97mm Width / Hook and Loop Fixing / Punched Holes for Dust Extraction / High-grade Aluminium Oxide Grit / Resin Bonded / Heavy D Weight Paper Backing / For Wood, Metal, Plastics, Plaster, Fillers & Paint / Suitable for Power Detail Sanders / Shrink Wrapped in packs of 10. Specifications: Abrasive Material: Aluminium Oxide, Disc Diameter: 140mm, Abrasive Colour: Maroon, Abrasive Grade: P240, Country of Origin: China.