<b>Feature:</b><br> <br> The fine shot blasting device is used to polish the surface of the porcelain crown and is a necessary equipment.<br> <br> It has a large window and a double pen can be used to polish materials of different hardnesses.<br><br> The advantages are: strong sand blasting, smooth and accurate operation and easy maintenance.<br> <br> This type of sand blasting machine is an essential tool for grinding. <br> <br> <b>Specification:</b><br> <br> Voltage: 110V 50Hz ± 10% (US PLUG)<br> Power: <50W (bulb 25w)<br> Pressure: ≥ 4kg<br> Sand: 120<br> Optional part: Dust collector<br> Packing size: 47 × 44 × 31cm<br> Gross weight: about 14kg<br>