100-grit sandpaper disc for wood floors; Sandpaper on a small grid-like sheet; Attaches to orbiter by sticking to a brown pad ("Velcro"-like); Used to prepare floor before finishing; Usually a 60-grit disc is used first, followed by 80-grit and then this 100-grit is used if necessary; Follow with a good vacuuming and damp mopping; The light scruff allows the urethane coating to adhere properly; 12" dia
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