Low Profile Bell Glides, 3/8" Dia. x 7/8" Long Stem, 110 lbs./Glide, Matte Black Finish, 5/Set (70179) Converts chairs with casters to stationary chairs without losing the chair height. 2" base diameter. 1-3/8" overall height (not including stem). 3/8" dia. x 7/8" long stem fastener for metal bases. Weight Rating: 110 lbs/Glide. Matte Black Finish 5/Set.