Extra Heavy Duty Professional 9000 Series. Air Lift Drum Throne w/ Back Rest. 13" X 4" Thick round top cushioned seat. Soft vinyl covering and adjustable back rest. 16" to 20.5" Air Lift.Pneumatic height adjustment that allows incremental positioning. The larger size and added cushioning of the 13" wide x 4" thick round seat provides increased comfort while the adjustable back rest provides needed support for the spine. The 16" to 20.5" height range with. Air Lift height adjustment is ideal for advanced players that will often make frequent minor adjustments to their throne height. Adding a 4th double-brace leg dramatically increases support and stability, allowing players to utilize the back rest without sacrificing balance. The item "Heavy Duty Professional 9000 Series Pneumatic Air Lift Drum Throne with Back Rest" is in sale since Thursday, April 16, 2020. This item is in the category "Musical Instruments & Gear\Percussion\Parts & Accessories\Stools & Thrones". The seller is "leskartradingco" and is located in Sun City, California. This item can be shipped to United States.