Douglas Compatible Replacement Chair Base for Swivel Tilt Caster Chairs (Set of 2) Compatible with Douglas, Keller, Stoneville, Cramco, Tempo ***VERIFY HOLE PATTERN ON TILT SHOWN IN IMAGE FOR COMPATIBILITY *** Rolling caster base only makes it easy to move around in your breakfast nook, kitchen, game room, or wherever you entertain Ergonomic seating position with tilt back and swivel capabilities Base (set of 2) Incudes casters and swivel tilt mechanism - *** Hardware provided but we can not guarantee our hardware will work with your bucket. Do not dispose of your original hardware for your chair *** Caster need to be attached and do not come pre-attached. Base ships fully set-up in one piece including tilt mechanism (2 bases in 1 box per order)