The double-post design on this Mayo Instrument stand by Drive Medical provides added support when needed most: during surgical procedures. The tray height adjusts from 34" to 54. 5", and no matter what height it sits the stand supports a removable stainless steel tray that measures a roomy 19" x 12 5/8". Two hooded casters provide additional mobility. Features and Benefits Double post provides added support for use in surgical procedures Removable stainless steel tray measures 19" x 12. 5" Adjustable height from 32. 5" - 52" Two hooded casters Product Specifications Actual Product Weight: 11 lbs Base Depth: 19" Base Width: 21" Overall Product Height: 32. 5" Overall Product Length: 19" Overall Product Width: 21" Primary Product Color: Chrome Primary Product Material: Steel Tabletop Depth: 12. 5" Tabletop Height: 32. 5"-52" Tabletop Width: 19" Warranty: Limited Lifetime Model # 13045