The drawer has bottom gliders on each side. The top glider broke. The bracket, which attaches to the back of the drawer is 2 1/2" long. It is shaped like a clamp, with the top section measuring 1/2", which is the width of the back panel of the cabinet. The wheel is elevated slightly above the clamp section and measures 3/4". The wheel slides into a metal bar in the center of the drawer opening.