Del Mar Eng Co patio door rollers

A quick learner from littleton CO. says:
sorry about poor photo quality; I am pretty sure these are the Sliding Door Roller, 1-1/4" Steel Ball Bearing
Product Code: 81-033
stamped on side - Del Mar Eng CO.
wheel size- 1 1/4"; 1 1/8" tall; 3/4" wide; 1 3/4" long
single wheel at each frame end..

thanks for the help
User submitted photos of patio door rollers.
Profile picture of Tom
Tom from SWISCO responded:
Thank you for the images. I agree, this looks a lot like our 81-033. Just double check your dimensions to make sure they match.
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