Features: -The grinding speed is controlled by means of air conditioning. -Ergonomic handlebar are designed to make the operation more comfortable. -The advantages of small volume, feel is good, low vibration, low noise, and the advantages of speed and torque. -Linear reciprocating, circumference of oscillating pneumatic ultrasonic grinding machine is used pneumatic turbine engine structure technology, can achieve the work efficiency. -Scope of application: Mold polishing, mirror processing, Die casting to remove material overflow, remove burrs. -It can use different jig for grinding operation, can clamping file or the grinding tools, such as the grooves in the mold or hardware products, R Angle and other manual processing. Specification: -Color: Gold with Black as pictures show -The Ultrasonic Grinder Size: Approx. 215x29mm ( Length*Diameter as pictures show? -Stroke: 0.6mm -Max RPM: 35000RPM -Ferquency: 35000 strokes/min -Air Consumption: 0.08m³/min -Air Pressure: Max 90PSI -Air Inlet Size: 1/4" -Net weight: 260g (Note: Please allow about 0.5mm error due to manual measurement, and slight color difference caused by light and screen.) Package Includes: -1 x Ultrasonic Grinder as pictures show Note: -Please be carefully check the goods appearance, size, shape and then compare your original goods before ordering, thank you. -Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. -Since the size above is measured by hand, the size of the actual item you received could be slightly different from the size above. Please don't mind, thank you!