Portable gravity sandblasting machine is portable, made of lightweight aluminium material which is convenient to operate, dedicated to all kinds of light and small metal corners, spray polishing, primary edges, rust removal detail dressing. Features: The roof mounted hopper is perfect for spot. Fully adjustable media flow valve gives you precise control. All-aluminum body is lightweight, hand-held for easy operation. Removal on larger parts that won fit into cabinet. Dedicated to all kinds of light and small metal corners, spray polishing, primary edges, rust removal detail dressing. Specifications: Application: Sandblasting Machine Air Consumption: 7.0cfm Cup Volume:21lbs Intake Connector:1 or 4 inch Pneumatic Sandblaster Antirust Sandblaster Pressure: 90psi Intake Connector: 1 or 4 inch External Diameter: 11.5mm or 0.45in Nozzle diameter: 7mm Caliber: 6.5mm or 0.26in Package List: 1 x Sandblasting Machine 1 x Manual Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.