Overall glide height: 2 inches overall glide height when installed, fits for most small chair casters; This stool chair bell glides can convert chair with casters into a stationary chair without losing the chair height; Please check whether the product is suitable for your chair before purchase. Bell glides size: these bell glides are 2 inch in bottom width and 2 inch overall glide height, similar to most small chair casters. Practical design: with solid PU structural glides design, can handle more weight on most of desk chairs, workshop chairs or any other stools, etc., black color also can easy to match different chairs. Dimension of insert stem: the standard 7/16 x 7/8 inch (11 x 22 mm) grip ring mounting stem to attach to most standard chair or stool bases; Suitable size can meet your needs; Please measure your size before purchasing. Protect your floor: glides replacement has soft bottom can protect your soft floor better, and the package includes felt pads also can provide an extra protection on floor surfaces., Weight: 0.63272669194 pounds, Manufacturer: Agwuoetr