Complete kit for two-sash sliding windows, consist of: 8 frame corner cleats. 8 sash corner cleats. 16 nylon alignment corner cleats. 4 doble two-wheels rollers in technopolymer. 4 stroke-end in rubber. 8 antisliding and antirelease corner cleat kit in nylon. 2 nylon central sealing caps and 3 nylon drip diaphragms. 2 nylon condensate collection caps and 4 nylon cover hole caps.