High Quality Sandpaper with Hook and Loop backing and Premium Aluminum Oxide grain extend sanding life and increase productivity. The open top coat provides superior grit-to-backing bond for extreme durability. Anti-Clogging Stearate lubricant – runs cooler and resists loading. Designed for use with any Hook & Loop sanding blocks , long beds or by hand. Ideal on paint , automotive , body repair , surface finishing , wood … Very flexible polyester ( PE ) Film base allow to Wet or Dry applications.