Shepherd Hardware 9444 1-1/4-Inch Threaded Stem Furniture Glides, 5/16-Inch Stem Diameter, Phenolic Base, 4-Pack 1-1/4" Phenolic base Threaded stem size: 5/16" x 18 Thread x 1-1/2" L Helps level office and household furniture with adjustable threaded sockets Great for end tables, desks, and chairs - Includes 4 glides Not recommended for use on vinyl cushion floors