【FUNCTIONAL AND VERSATILE】These furniture leveling feet ensure stability without shaking. Crafted from galvanized steel with black PP non-skid bases, they protect floors from scratches and reduce noise during movement. Adjustable height ranges from 0.39" to 0.67", supporting over 200 pounds per leveler. 【PRODUCT DIMENSIONS】Height - 1" (25mm), Screw Length - 0.7" (18mm), Base Diameter - 1" (25mm), Base Thickness - 0.28" (7mm).These table levelers are suitable for most USA-made furniture as a simple replacement solution. Please verify size compatibility before purchase. 【EASY INSTALLATION】Installation is hassle-free for furniture legs with existing 1/4”-20 thread. INSTALLATION STEPS:1. Please mark the center position of the table legs.2. Use an electric drill to drill a hole about 1'' deep at the marked point.3. Place the T-nut into the hole and secure it.4. Screw the furniture leveler into the nut and adjust it to the desired height. 【WIDE APPLICATION】These adjustable furniture levelers are suitable for leveling indoor, patio, and outdoor furniture, including tables, chairs, cabinets, stools, and more. Compatible with all floor types, including wood, tile, and carpet. 【WHAT YOU GET】Package includes 12 leveling feet screws and 12 T-nuts.Your satisfaction is our priority. If you encounter any issues, please contact us for prompt assistance and resolution. 1/4" Thread Furniture Feet Levelers,12 Pcs Adjustable Furniture Levelers Screw in Threaded,Black Replacement Feet Glides Leveling for Table Chair Cabinets Furniture Legs