Felt Levelers are functional and versatile floor protectors that help to prevent scratches and marks on your furniture and floors. Safeguard your home by simply screwing these levelers into your furniture legs. These Felt Levelers are made of thick wool felt in a neutral brown color to fit your home decor. Adjust the level of your furniture by evenly screwing or unscrewing the levelers for the perfect height. Felt levelers are designed to last and protect your hardwood, stone, tile and vinyl flooring. This product is 1/4-20 screw, 1 inch (25.4mm) in diameter base with 3/8 inch (9.5mm) thick wool felt.