24pcs furniture levelers each package. Inch coarse thread, 1/4-18. Product height is 1inch(25mm), screw length is 0.7inch(18mm), base diameter is 1inch(25mm), and base thickness is 0.28inch(7mm). Look at the second picture in the image to get specific details. No shaking! The furniture leveling feet and T-nuts set are made from galvanized steel and black PP non-skid base. Adjustable the leveling feet quickly and easily to the balanced height. Keep your furniture and floor from being scratched and damaged, and reduced noise while moving furniture. The adjusted range of the table leveling feet is between 1/4inch and 3/4inch in height, and supports more than 200 pounds per product. , drill a hole with a diameter of 1/4inch on the furniture leg and then insert the T-nut with a hammer. Secondly, screw the furniture leveling feet into the T-nut and adjust it to the desired height. For furniture leg with existing 1/4inch-18 thread, just screw in the leveling feet to adjust the height. Note: This furniture leveler recommends for wood furniture with a leg diameter 1inch. If less than this size, there is a risk of cracking during installation. The adjustable furniture feet can be widely used on any furniture Leg to level them to the same height flexibly, such as desks, chairs, kitchen cabinets, stools, and dressers. Suit for all types of floor including wood, tile, and carpet. Colour:black Material:Alloy iron+PP Size: 2.54 x 2.54 x 2.54 cm Package Contents: 1 set x leveling feet for outdoor furniture Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.