The new DS255U is a Sliding Window Limiter Lock designed for windows with a narrow track. These windows are often found in dwellings pre 1985.
A unique feature of the DS255U is an in-built anti lift block, incorporates four positions of adjustment that can be adjusted to stop the window from lifting.
Another innovative feature of the DS255U is the key operated removable body that can be removed for emergency egress and cleaning purpose.
Once installed the device restricts the window from opening at a distance pre-determined by the installer.
Narrow construction suitable for older narrow window tracks.
You can view this product in more detail on the Doric website.