The Raoul with screw of the company Martin serves as a guide for sliding doors and windows, facilitating opening and closing. It is installed internally to the axis, the sliding mechanism. It is made of metal, a material that is particularly durable, with minimal maintenance. It contains chromium and has anti-corrosion capabilities.
It has a bearing that facilitates movement and increases resistance to use, time, and weight. The bearing has balls inside it, which ensure smooth rolling, quiet operation, and smooth opening and closing.

Installation Instructions:
To proceed with installation, consult the manufacturer's instructions.