Truth 39 Series Patio Door Roller Assembly C10533 They merely limit the swing

They merely limit the swing to 90 degrees

Compact Side Door Hinges: Ideal for areas with limited mounting space

The attachment plates measure 1

and a bottom spring-loaded hinge

Truth 39 Series Patio Door Roller Assembly C10533 They merely limit the swingReplacement 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