The amplitude and frequency of the vibrator can be controlled by adjusting the air pressure. The piston outside the casing contains grease, which vibrates with the piston and has a long service life. The pneumatic vibrator is made of aluminum alloy, which has good oxidation resistance and is not easy to corrode after long-term use. Compressed air is used as the power source, with , low air consumption, safety and energy saving. Commonly used for emptying of shakers, screens, silos and dispersion of bulk materials. Colour:Yellow Material:aluminium alloy Size:12x4.5x10cm Package Contents: 1 * Turbine vibration Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.