Alberth Aviation manufactures the Hydraulic Wheel Dolly that makes changing larger corporate business jet wheels easier and safer. It helps prevent back injuries and aircraft damage. The low profile design eliminates clearance issues and allows for one person tire changes. This product is used worldwide by corporate flight departments and FBOs. An optional Brake Attachment is also available. For wheels 25" to 40", up to 350 lbs. To watch the demonstration video and for technical details, please visit our website at www.AlberthAviation.com. For more info, contact us at 832-934-0055 or [email protected].