QEP Xtreme Tile Leveling Wedges are specially designed to hold the tile at an even height for lippage-free results. Recommended for use with QEP Xtreme Tile Leveling Clips (sold separately) to ensure a leveled and consistently spaced wall or floor tile installation. For professional results, use QEP’s Xtreme Tile Leveling System that contains all the necessary pieces to install tile. Use for leveling tile including porcelain, ceramic, marble and all-natural stone. Polymer construction for superior durability and locking ribs for a secure hold. Ideal to hold the tile at an even height for lippage-free results. Recommended to use with QEP Xtreme Tile Leveling Clips. For single use only.