QEP Xtreme Blue 3/16 in. Clip, Part A of Two-Part Tile Leveling System 2,000-Pack 99779 - The Home Depot

QEP Xtreme 3/16 in. Tile Leveling Clips ensure that tiles are leveled and consistently spaced. Recommended for use with Xtreme Tile Leveling Wedges (sold separately), these Clips produce even grout lines
A short installation video for how to sue these tile clips.

QEP LASH 360 1/16 in. Tile Leveling In-line Stems (100-Pack) 99735 - The Home Depot

QEP LASH 360 1/16 in. Tile Leveling In-line Stems (100-Pack) 99735 - The Home Depot

QEP Xtreme Tile Leveling System, Part A, Clips for 3/16 Grout (500 Pack)

QEP 99774 Xtreme 3/16 Tile Leveling Clips (500/Box)

QEP Xtreme White 1/16 in. Clip, Part A of Two-Part Tile Leveling System 500- Pack 99772 - The Home Depot

QEP Xtreme Grey 1/32 in. Clip, Part A of Two-Part Tile Leveling System 500- Pack 99771 - The Home Depot

QEP Xtreme White 1/16 in. Clip, Part A of Two-Part Tile Leveling System 500- Pack 99772 - The Home Depot

QEP 99779 Xtreme 3/16 Tile Leveling Clips (2,000/Bulk Box)

QEP products online store

QEP Xtreme Tile Leveling System, Part A, Clips for 3/16 Grout (500 Pack)