Automatic and semiautomatic ERCOLINO systems are new locking bolts, specially designed for INTERNAL and EXTERNAL openings, with an automatic blocking system which can be adapted to most frames. It iseasy and quick to install; thanks to their long-lasting steel components, they are also very strong. They are a suitable alternative to traditional locking bolts without any automated function; they easier to use.

Automatic and semiautomatic locking bolts are new products, proposing as an advanced version of the traditional locking bolt, because they can be easily open or closed. They have been designed to offer the advantage of simple installation on windows, French windows and shutters, even if previously installed; they can be adapted to most of the existing frames.