Sanding Sponge Abrasive Material Aluminum Oxide Grade Extra Fine Grit 220 Number of Abrasive Sides 1 Series MultiSand Overall Length 5 1/2 in Overall Thickness 3/16 in Overall Width 4 1/2 in Abrasive Type Coated Features Can be Used Wet or Dry Thin Flexible Single-Sided Sponge for Sanding Small Diameters and Contours Such as Ceramics Spindles Turnings and Railings Resistance Properties Clog Sponge Shape Contour