Material spec.: 1. Stainless steel SUS 304 material 2. Height: 166cm-250cm (adjustable) 3. Height control: Pressure switch 4. External support tube: 1 (25mm) x 1.0mm stainless steel circular tube 5. Internal support tube: 6 (19mm) x 1.0mm stainless steel circular tube 6.4-foot base L52cm: 1 1/4 with 4 2movable plastic wheels