4 Square Vinyl 13/16" Teardrop Cap Chair Leg Inserts Material:Vinyl 5/16"-18 Thread with approximately 5/8"

5/16"-18 Thread with approximately 5/8" stainless steel threaded stud adjustable glide

This flat round multi-gauge insert fits a tube with an outside diameter of 1" and an inside diameter of approximately 7/8"

Tube size: 1-5/8" x 5/8" outside diameter

This nylon oval insert glide fits a tube with an outside diameter of 1-7/8" long x 9/16" wide

4 Square Vinyl 13/16" Teardrop Cap Chair Leg Inserts Material:Vinyl 5/16"-18 Thread with approximately 5/8"Fits a 13 16" outer diameter chair leg or tube. These glides install outside the metal wood foot and are used in furniture that doesn't have a "cup" at the bottom and is not hollow. It caps the furniture feet.