For extra deep hole sanding, contour work and extra-wide surface areas - you'll find many jobs for these handy sized drums to tackle. Four drums 1/2" x 2", 3/4" x 2", 1" x 2" and 1-1/2" x 2" - each with one fine (120 grit), one medium(80 grit) and one coarse (50 grit) sleeve.