Performance: can be used to the protection of the screw, light bars, columns, spindles and other round rotating cylinder. Such shields can be horizontal or vertical use. The level of use is recommended to use plastic or aluminum support ring, to maintain the guard a certain uniform distance between the cavity and the screw, and extend the service life. Stretch the length of a large can compromise together with metal rings to improve the stability of the guard. Connection or fixed side usually use a metal flange can also choose to set hoop. 

 : Can be used to protect the screw, light bars, columns, spindles and other round rotating cylinder. Such shields can be horizontal or vertical use. The level of use is recommended to use plastic or aluminum support ring, to maintain the guard a certain uniform distance between the cavity and the screw, and extend the service life. Stretch the length of a large can compromise together with metal rings to improve the stability of the guard. Connection or fixed side usually use a metal flange can also choose to set hoop.