16 Round 7/8" Multi-Gauge Domed Glide Inserts for Furniture Tubes/Legs Material:Plastic There are some exceptions like

There are some exceptions like Homecrest or Samsonite which use two layers of material on some of their furniture to slide the slings over an internal frame

Protects outdoor patio furniture chair frame as well as patio deck and surface from wear

This oval sling insert fits the end of a Brown Jordan sling rail

Stainless self tapping screws are suggested

16 Round 7/8" Multi-Gauge Domed Glide Inserts for Furniture Tubes/Legs Material:Plastic There are some exceptions likeThis round multi gauge domed insert glide fits a tube with an outside diameter of 7 8" and an inside diameter of approximately 3 4" (14 to 20 gauge tube).