Strong Texture: The furniture leveling feet are made of galvanized steel and felt rubber pads, so these leveling foot screws are strong and to breakage or wear and tear for long term use. The height of the furniture leveler can be adjusted according to your needs using threads Easy to Install: All you need to do is pre-drill a 3/8' hole in the furniture leg with an electric drill, then insert the T-nut (tighten with a hammer) and screw in the nut and straightener, and finally adjust the nut with a spanner. If you need to install on metal legs, you need to install the M6 threaded insert first, then install the nut and adjuster foot Function: Furniture levelling feet are adjustable devices that attach to the bottom of furniture legs to provide stability on uneven surfaces. Prevents furniture from shaking also allows for easy movement of furniture, protects floors from scratches, and reduces noise when moving furniture Set Includes: 20 furniture levelling feet with 20 T-nuts. British coarse thread, 1/4 inch-20 UNC. 1.1 inch (28mm) product height, 0.7 inch (18mm) screw length, 1.06 inch (27mm) base diameter and 0.4 inch (10mm) base thickness Wide Range of Applications: Adjustable table legs are compatible with a wide range of flooring types. They are suitable for a wide range of furniture such as tables, cabinets, chairs, desks, TV stations, shoe racks and more. Versatile height adjustment for tables, chairs, cabinets, stools, dressers, patio furniture, and even dining room settings, whether indoors or outdoors Description:The leveler usually has a large adjustable range and can be adjusted according to different ground conditions and furniture heights. This makes it suitable for a variety of furniture different heights, with strong versatility Feature: Furniture levellers are usually very easy to install and do not require specialised tools or skills. Just mount the leveller on the legs of the furniture and adjust as needed, providing a convenient way to adjust the furniture Specification: Size: 28 x 27mm / 1.1 x 1.06 inch Colour: As Shown Material: Metal Package Contents: 1 set x floor leveler 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.