RFB9 and RFB11 Series Tile Spacer
Used for floor coverings greater than 1/4'' (6.35mm). Use one spacer for 3/8'' (9.53mm) thick tile. Use two spacers for 1/2'' (12.70mm)thick tile. The RFB119-TS will allow the top surface of the cover assembly to be flush with 3/8'' (9.53mm) to 1/2'' (12.70mm) floor coverings.