Size: 12 Sets of furniture levelers for each package; Inch coarse thread, 1/4"-20; Get details from the second image; Fit for most USA-made furniture to update your furniture feet; Please ensure the furniture feet size your need before ordering Material & Function: Furniture leveling feet with galvanized steel and a black PP base. Adjustable the leveling feet to the balanced height easily. Keep your floor from being scratched and reduce moving noise. Supports more than 200 pounds per product Easy Installation: For furniture leveling feet with existing thread, just screw in the leg leveler to the height. Otherwise, pre-drill a hole and insert the t-nut, and then screw in the furniture feet to the desired height. THE PACKAGE NOT INCLUDED T-NUTS Wide Application: The adjustable furniture feet can be used on indoor, patio, and outdoor furniture feet to level them to the same height flexibly, such as tables, chairs, stools, dressers, patio, outdoor furniture, and restaurant table Note: Table levelers are recommended for furniture with a leg diameter greater than 1"; If less than this size, there is a risk of cracking during installation; If you receive the wrong size of the adjustable furniture feet, please let us know 1/4" Thread Furniture Feet Levelers, 24 PCS Adjustable Furniture Feet Threaded Screw in, Leveling Feet Screw On Furniture Glide Leveling for Table, Cabinets, Chairs, Stool Legs