Abstract: An adjustable support device for appliances being comprised of a housing with top and bottom aligned openings therethrough and which is attached to a support member by a clamp mechanism. An elongated support member or tubing which is provided with a plurality of aligned openings one side thereof passing through the opening of the housing and is in contact within the housing with a pair of upper opposed rollers and a lower roller being in contact with only one side of the member. A locking mechanism is pivotally mounted within the housing and is co-operable with the openings in the elongated support member and is provided with a guide device, such as a roller, which extends outward therefrom and is in contact with the support member.