797/1

Bottom hinged window closures with snap-on operation, quick to apply and highly secure. Ratchet - the ratchet coupling has been designed to be applied directly to the profile as it has the same characteristics / 798.1 nylon ratchet completely in nylon, easy to apply suitable for all types of profiles / 799.1 is completely in aluminum, with return spring / 797 the coupling of the ratchet has been designed to be applied directly to the C.E. as it has the same characteristics.