The screwjacks opener to be applied on windows with protruding opening can be operated with the small opener andwith the heavy duty opener. Its metal design, with aluminum body and internal screw in galvanized brass, equipped with opening of aluminum, wooden and particularly heavy PVC windows.
It is suitable for roof windows and skylights.
Maximum opening 380mm (adjustable).
Supplied complete with mounting brackets.
Available color: white.
ATTENTION: 2050mm long limit switch tube is required for maximun opening.