Black and Gray Adjustable Height Non Slip Ergonomic Foot Rest Waterproof Flooring and meets FloorScore and CHPS and meets FloorScore and CHPS criteria Homogeneous color is inherent through the base and superior finish resists scuffing gouging and most chemicals Resist scratches or any other flat surface Can be used directly with the post light Add an optional standard 3 inch diameter post (not included) to extend the height Fits standard 3 inch diameter post lamps Four pre drilled holes for securing base to surface 1 Year limited warranty Ridged edges act as a grip to keep your feet in place Whether you are at home or in the office