Secret lock for balcony door 90 mm, nickel

Secret lock for balcony doors of offices, private homes and others. The secret lock of METAL is of closed type with a center distance of 90 mm. It is made of steel and has symmetrically located upper and lower tongue, relative to the front plate. The upper tongue of the balcony door lock is made of steel with zinc coating. Allows inversion. The lower tongue of the lock comes out with 15 mm after a single turn of the key, it is also made of steel with zinc coating.