These are casement sliding windows they are Nuprime brand name and the beige part has a number on it 9359
The chrome part has a number on it of N.A. 9044
Harold
Dave Sr. from SWISCO responded:
March 19, 2015
Hey, Harold. We do not have an exact match for either of these keepers, but see our 90-041 and 90-283. These seem to be the closest matches we have to the pair shown in your photo. How do the sizes match up?