rubi delta leveling system wedges in bag 1 200 unitsRubi Delta Leveling System wedges are PP tools to facilitate the pressure applied to ceramic tiles to obtain optimal leveling and a homogeneous final flatness for the entire surface. Rubi's Delta Leveling System is ideal for laying large format tiles (minimum size required: 30x30 cm) and thicknesses between 3 12 mm, 6 15 mm and 11 20 mm (depending on the model). of Delta LS flange used), using the double gluing technique. CHARACTERISTICS OF THE RUBI