Product packaging size: 28 * 25 * 9cm Product weight: 810g Atmospheric pressure: 90PSI Length: 255 mm Air consumption: 7.0 CFM Input specifications: 1/4 Material head capacity: 21 lbs Weight: 0.81 kg All metal nozzles are uniform and stable Flow rate adjustment switch can adjust blast rate Pressure plate on-off switch Safer and more reliable Large capacity material jar Use different types of black sand corundum. Emery 30-120 mesh such as glass beads are available Ergonomic handle Easy to hold. Safe and relentless will reduce your fatigue after long hours of work The air inlet is often filled with steam oil It can keep the cylinder torque lubricated and fan cooled Extend the life of the machine Please allow slight deviation in the measurement data and make sure you do not mind before ordering.