sliding door rollers

A quick learner says:
Is part number 81-151 (Tandem Patio Door Roller, Flat Nylon) the Nylon equivalent of 81-149 (Stainless Steel Sliding Glass Door Tandem Roller)?
Profile picture of Donna
Donna from SWISCO responded:
No, SWISCO product code 81-151 has two flat edged wheels and the 81-149 rollers has concave wheels.
Reply to Thread
Use this form to ask a follow-up question or to share your experience regarding this subject.
(your email address will be kept private and is only used to inform you when a response has been made)