To regulate the gasket pressure;
You can change the gasket pressure in a level range of +/- 0,8mm

Assembling;
It helps to easy the installation and save much time.
3,9x25 Rare serrated espagnolette screws code: 449.339.025.001

Coating;
YelkenCoat gives longer durability and corrosion protection to the hardware

Certificate;
Compatible with TSE  Standards.