Upper Extension ;  it can be used with standard, narrow, security, security narrow, ventilation, double pin corner transmissions  ( see catalogue page 30)

if its used with the Standart Serial corner transmission ; sash height  Minimum :480 mm.

if its used with the narrow  serial corner transmission : sash height   Minimum :371 mm .

Bottom extension piece ; it can be used with bottom extension piece  (see catalogue page  39)

Horizantal opening position ; it can be used with security pin and security narrow corner tranmission  (see catalague page 30)

Faulty usage ; Faulty Usage and Sash Lifting device provides increased safety..

Additional locking; it can be used with additional locking part for increased thermal insulation.

Adjusting the gasget pressure;  gasget pressure can be changed in a level of  ±0.8 mm 

Coating ; 

YelkenCoat gives longer durability and corrosion protection to the hardware.

Certificate;
it has TSE certificate