The Raimondi Leveling System Wedges Box of 1000 is used with 1/32", 1/16", 1/8", and 3/16" RLS tile clips and are reusable. Insert the wedge into the slot in the clip and use adjustable pliers to push the wedge further into clip causing proper leveling compaction on both tiles until level. European tile wedge design holds tiles better than competitors. Box of 1000 wedges. See  video.