usage area  :double sash and sash window and door

double sash /  sing sash window and doors.

assembling ; 

it helps to easy instalation and save much time. 

3,9x25 rare serrated espagnolette screws code:  449.339.025.001

coating ; 

YelkenCoat gives longer durabilty and corrision protection to the hardware.

Sertifika;
it is suitable for TSE certifictes.