Large Round Table with Hand-Crank Adjustment, 47" Dia, Graphite Silver Base, Available in All Finishes, Indicate Color Code (HCP470-XX)These tables improve the interface between the therapist and client with designs that are clean, never clunky, so you can perform procedures such as hand therapy, restorative therapy and powder therapy with ease. With a wide array of top shapes, all built with the therapist in mind, they help you and your clients make progress comfortably. Lifetime warranty. Knob adjustment range 23" 33". Hand crank adjustment range 27" 39". Powered adjustment range