150mm / 5” High Quality Sanding Discs with Hook and Loop backing and premium Aluminum Oxide Grit 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 Orbital and DA Sanders. Discs are ideal on wood , paint , automotive , body repair , surface finishing … Very flexible polyester ( PE ) Film base allow to Wet or Dry applications.