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. 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