About this item ?It has a large window, and the twin-pen can be used to polish materials of different hardness. ?Fine Blasting Units is used to polish the surface of porcelain crowns, it is a necessary lab equipment. ?The advantages are: strong sandblasting power, smooth and accurate operations, and it is easy to repair. ?This sandblaster is a necessary tool in lab Use. ?The transparent bottles enable users to observe the state of the sand during the sandblasting process.



