Topzone&Acirc; 1" inch Diameter Heavy Duty Nail Furniture Pad Floor Protector Tack Glides (Pack of 24) Lasts far longer than stick-on pads. Gray color hides dust/dirt. Felt is epoxied to base at the factory and is guaranteed to stick FOREVER Easy installation. Drill hole, Tap in with hammer, Repeat. Size: 3/4" x 7/8" diameter