ClintonM-21 Single Post Mayo StandClinton Instrument Stands are designed to be stable and durable with casters that provide a smooth travel across a variety of surfaces. Features: Removable 19" x 12-3/4" x 3/4" stainless steel tray2" ball bearing, rubber casters1" chrome-plated pole and baseTip style position baseKnob height adjustment15 lbs. load capacity under normal use Product Specifications BRANDClinton Industries MANUFACTURERS PART NUMBERM-21 LENGTH INCHES18 WIDTH INCHES22 HEIGHT INCHES31 to 50 COLOR FINISHChrome CONSTRUCTIONChrome Plated Steel BASE18" x 22" DESCRIPTIONSingle Post Mayo Stand PACKAGE QUANTITY1 STYLESingle Post Stand TRAY DIMENSION INCHES 19 x 12-3/4 TYPEMayo Instrument Stands WEIGHT CAPACITY15 lbs WHEEL DIAMETER INCHES2 WHEEL TYPERubber, Ball Bearing LIMITED WARRANTY5 Years