VEVOR Magnetic Stirrer, 0-1500 RPM Stir Plate with Adjustable Speed Knob, 20L Plate Stirrer Kit, Stir Bar Included One-Piece Cast Aluminum Plate Surface Precision Components User-Friendly Design Widely Used DC Motor High-quality VEVOR Magnetic Stirrer Max Stirring Capacity: 20L,Item Model Number: MS-S,Product Weight: 5.18 lbs/2.35 kg,Operational Controls: Speed Knob,Material: Sheet Metal,Max Stirring Speed: 1500 RPM,Product Size: 11.02x6.3x3.54 inch/280x160x90 mm