Truth 39 Series Patio Door Roller Assembly C10533 and a bottom spring-loaded hinge

and a bottom spring-loaded hinge

one leaf is swagged to lessen the gap between the door and frame

And use mounting plate SKU 652296

This makes it the best stainless steel type among common stainless steel types to use near the ocean or in corrosive environments

Truth 39 Series Patio Door Roller Assembly C10533 and a bottom spring-loaded hingeReplacement ball bearing equipped rollers by Truth Hardware. Permanently lubricated ball bearings. Available in three models: Steel model with steel wheels (SKU 800262) Steel model with nylon wheels (SKU 800257) Stainless steel model with stainless wheels (SKU 800259) ALTERNATE PART NUMBERS: The steel model with steel wheels (SKU 800262) may have 31761A marked on the housing The stainless steel model with stainless wheels (SKU 800259) may have 31895A