Channel size for the espagnolette montage: 12x65 mm.
Square arm size: 7 mm.
Arm axis distance: 15 mm.
Surface coating: Alkali zinc 10.
The gear mechanism moves the system produced from steel for high strength.
Adjusting lock bolt 0.8 mm increases or decreases gasket pressure.
Barrel is made of steel.
Mushroom caps provide extra safety.