2.5" Overall glide height when installed - similar height to most standard chair casters. This Stool or office chair foot bell glides to convert any office or desk chair in stationary.<br> 2" Bottom Width x 1.30" Top Width x 2.5" Overall glide height - similar to most chair castersHeavy duty weight rated 110 lbs. per glide as a set of 5 supports 550 lbs<br> Uses the same mounting stem to attach to chair base as most chair caster - Not fit for Ikea chairs. Ikea chair needs 10mm Stem, but this is 11mm.<br> Standard 7/16" x 7/8" (11mm x 22mm) grip ring mounting stem to attach to most standard chair or stool bases - Please measure yours before ordering<br> 100% WORRY FREE PURCHASE - If there is any issue with your product, please contact us to let us know and we will send you a new product absolutely free. COME WITH FELT PADS. Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.