Benchtop Support Stand, Assembly Supplied with the Following: Support Frame, Single Base Plate, Support Rods, Cork Rings, 250mL Adapter Plate, and 300mL-1000mL Adapter Plate. Features:• 3/4" Stainless Steel Pipe (1.050" OD) Uprights & Heavy Duty PTFE Coated Aluminum Fittings• All Stainless Steel Uprights are Passivated to Inhibit Corrosion• Middle Support Bracket is Vertically Adjustable and Supplied with a Set of Heavy Duty Clamps• Top Support Bracket is Vertically Adjustable & Provides for Attachment of an Overhead Stirrer. Mounting Clamps Accept a MAX Support Arm Of 5/8” Diameter. • Allows Easy Installation/Removal of Glassware• Compact Foot-Print: 14”W x 15”D x 40”H PLEASE NOTE:• STAND IS SUPPLIED WITH AN ADDITIONAL ADAPTER PLATE TO SUPPORT 300-1,000ML REACTORS.