GorillaGlides CB213 swivel glides by Slipstick are perfect floor protectors for slanted or angled furniture legs as well as straight furniture legs. Plastic ball and socket design provides full swivel action and ultra-low friction plastic slider base provides quietly smooth and safe sliding on carpet and most hard surface floors. We recommend Slipstick GorillaFelt model CB259 for protecting wood, laminate, and vinyl floors. Includes 8 round 1” swivel gliders and 8 screws for installation. When installed, these glides add approximately 3/4” height to furniture. GorillaGlide Swivel sliders are ideal floor protectors for chairs, stools, and wooden furniture legs that are ¾” to 1-1/2” in diameter at base. Covered by Slipstick’s 5-year free replacement warranty (1 year commercial)