General description Bell Glides Office Chair Caster Wheels are designed to convert a rolling office chair into a stationary chair while maintaining the chair's height. This pack of 5 swivel caster wheels is ideal for high-profile stools and features a practical design that supports a significant amount of weight. Technical specifications Overall glide height: 2 inches Insert stem dimension: 7/16 x 7/8 inch (11 x 22 mm) Bottom width: 2 inches Other information Made with strong nylon structural glides for enhanced durability Black color for easy matching with various chair styles Plastic bottom designed to minimize sliding