Replacement stay set for SK-4 Dometic Sietz windows
The size refers to the height of the window (to make this even harder the window size is the actual cut out size in the wall not the actual window blade measurement).
See images to see how to find out the height of your window.
BG41300-350STAY FRICTION S4 350MM
suits 350mm high windows
(pictures are of 450mm version)