General description This 90psi Portable Air Pneumatic Sandblasting Gun is a lightweight aluminum handheld machine designed for efficient sandblasting and polishing. It is ideal for applications such as metal rust removal, oxide scale removal, and detail cutting. Technical specifications Material: Aluminum Color: Red Gas Consumption: 7.0 CFM Cup Volume: 21 lbs Inlet Connector: 1/4 inch Pressure: 90 psi Outer Diameter: 11.5 mm / 0.45 in Caliber: 6.5 mm / 0.26 in Usage Sandblasting and polishing Metal rust removal Oxide scale removal Detail cutting Other information Adjustable flow rate for sandblasting media Ergonomic, non-slip handle for comfortable use Supports various sandblasting media including copper ore sand, quartz sand, emery, iron sand, and glass beads Durable and easy to carry