16 Oval Domed Insert Glide Caps 1-3/4" x 1/2" for Patio Furniture Tubing Color:Black The four adjustment openings fit

The four adjustment openings fit over tube sizes up to 1-5/16" diameter

25" center of middle hole to center of bottom hole is 4

Make sure that the two brackets are lined up the same on either side of the frame

If they do not you can use the bracket as a template to mark and drill new holes

05" Diameter nylon non-skid base

16 Oval Domed Insert Glide Caps 1-3/4" x 1/2" for Patio Furniture Tubing Color:Black The four adjustment openings fitFits: 1 3 4" x 1 2" outside dimension tubes. End caps are used at the end of aluminum tubing on patio pool furniture to seal the end which gives your patio furniture a finished look. Protects outdoor patio furniture chair frame as well as patio deck and surface from wear.