Guardian Glass | Sliding Patio Door Roller Assembly Set

Guardian Glass | Sliding Patio Door Roller Assembly with the Tandem Type Adjustable Rollers and ZYD housing and steel wheels with ball bearings. Guardian Glass Panels in your Patio Door  .. Door Replacement Hardware Parts for Sliding Patio Doors. Guardian, PGT, PPG, Herculite Tandem Roller Type (AS SHOWN BELOW). French Sliding Patio Doors and other Patio Door Models. Adjustable, steel ball bearing, tandem adjusting sliding rollers - get it right the first time. 

Priced Per Set of TWO Assemblies - always replace "both" when changing out.