The dimensions of the pivot shoe are: length is - 2"; width - 1.25"; depth - .5". We think that the 15-046 was the closest match. Can you please confirm? Just for information purposes the spiral tube is 27" and red 5/8" inches diameter.
Paul from SWISCO responded:
August 30, 2013
The 15-046 isn't a bad place to start. However, if you have an aluminum tilt window, then I think you should consider our 15-015 as well.