Master Caster 70178 Low Profile Bell Glides, 100 lbs./Glide, B Stem, 5/Set Converts chairs with casters to stationary chairs without losing the chair height. Converts chairs with casters to stationary chairs without losing the chair height. 1-3/8" overall height (not including stem). 7/16" dia. x 7/8" long stem fastener for metal bases. Weight Rating: 110 lbs/Glide. Matte Black Finish 5/Set.