Description
- Twin thread telescopic screwjack window opener suitable for top hung, opening out or horizontally pivoted windows or skylights
- Screw extends beyond length of housing for a wider opening of the window
- Ideal for conservatory windows, timber windows or fanlight windows, fit a winder pole into the screwjack and wind it to open the window
- Added security for windows as it cannot be physically pulled apart
- Closed position: 258mm
- Opening position: 413mm
- Maximum throw: 165mm
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