SICURTOP is the ideal multipoint lock for entrance doors and garden and balcony French windows. It can be mounted on wooden, PVC or aluminium-wood windows and doors. The key enables in turn all locking devices by gear transmission, greatly facilitating the work required to press the gaskets, also when the sashes are slightly deformed. The locking devices, duly positioned along the forend, provide the lock with high antiburglar resistance. The patented Poseidon lock with central bolt and two hooks, the one positioned opposite the other, ensure that the doortruly is sturdy and secure. The upper and lower hooks close in an opposite direction the one to the other and prevent break in by lifting the door or by detachment of rebate from frame. For more locking points, add other locking devices to the push rods and terminals.