New adjustable brake system integrated into the compass slider. – Weight compensation of the sash.

Double air chamber shock absorbing system. – Polyamide slider for a quieter and more comfortable operation.

The position of the sash stop restrictor allows a greater or lesser sash opening.

By releasing the threaded cap the friction stay will not work.

It is supplied pre-assembled which permits easy and quick fitting.

All of the zamak parts are treated in order to guarantee corrosion resistance and have been exposed for more than 250 hours in a saline mist chamber.