CNBTR  Adjustable Furniture Glide Leveling Feet 52mm Dia Universal Joint Threaded M12 x 47mm Pack of 4 Easy to be installed and the height is adjustable as your require. Material:Nylon and Metal Adjustable thread design for office or household light duty furniture with threaded sockets. Allow furniture to be moved without allowing unwanted mobility. This furniture glide leveller is typically used on conference room tables, heavier desks, restaurant furniture and point of purchase display racks.