We always start with coarse sandpaper, such as a 60 grit, with an item as rough as this was.u003cbr/u003eAfter going over it and stripping off the old finish, we used 120 grit to remove small imperfections and begin smoothing it out.u003cbr/u003eFinally, we finished our sanding job with 400 grit to give our workbench a beautifully smooth finish.