Ideal for laying tiles over 12x12" (30x30cm) with back-buttering. Allows laying pieces of granite and marble avoiding rectification work. Eliminates lippage during setting of the adhesive. Improves resulting surface flatness. Reduces installation time and improves profitability. Usable floor and wall (horizontal and vertical tile laying). For pieces with thickness from 1/8" (3mm) to 3/4" (20mm). The set consists of a pliers, 100 strips and 100 reusable caps. Packaged in a handy bucket.