Replacement rollers needed

Question

Theses have worn down and producing a lot of fine black dust that the kids track everywhere. Adjustment screw is in the middle and only adjusts slight amount up or down. No part number or manufacture on door or parts that I could find.

Paul · Accepted Answer

Hello from SWISCO. Your patio door roller looks similar to our 81-018. Make sure to look over its specs to see if it should be compatible with yours.