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: SUITABLE FOR-Suitable for spray polishing, burr, derusting and other details trimming of all kinds of metal material dead corner and surface in manufacturing industry, automobile maintenance, and mechanical equipment industry, etc. LARGE CAPACITY-The large capacity material pot is suitable for various kinds of sand, black corundum etc. 30-120 mesh can be used. SAFE AND RELIABLE-Safety plate?type start and stop switch, more safe and reliable, gun nozzle red switch can adjust sandblast flowing. FOR DIY OR OTHER PROJECTS-Great for DIY or professional projects, hand held pneumatic sandblasting machine. COMFORTABLE TO HOLD-The ergonomic handle can reduce fatigue during using, comfortable to hold. Specifications: Usage: Home DIY Application: Sandblasting Machine Air Consumption: 7.0cfm Cup Volume:21lbs Intake Connector:1/4 inch Pneumatic Sandblaster Antirust Sandblaster Pressure: 90psi Intake Connector: 1/4 inch External Diameter: 11.5mm / 0.45in Nozzle diameter: 6.5 Caliber: 6.5mm / 0.26in Item Weight: 632g / 1.39lb Package Weight: 777g / 1.71lb Package Size: 280 * 250 * 90mm / 11.02 * 9.84 * 3.54in Note: The real color of the item may be slightly different from the pictures shown on website. caused by many factors such as brightness of your monitor and light brightness. Please allow slight deviation for the measurement data.