Overall glide height: 2 inches overall glide height when installed, fits for most small chair casters; This stool office chair bell glides can convert office chair with casters into a stationary chair without losing the chair height.
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; Not fit for Ikea chairs Ikea chair needs 10mm Stem, but this is 11mm.
Protect your floor: the bell glides replacement has soft rubber bottom can protect your soft floor better, and the package includes felt pads also can provide an extra protection on floor
Safer than Caster Wheels: Provides a safer seat for those who have difficulty getting in and out of chairs by avoiding the “roll-away chair effect” when getting up from a table or desk.
Easy Install: Glides are very easy to install, with no tools needed. surfaces; The rubber and felt have double protective effect on the floor.