Description: Applicable to box manual sandblasting machine and box type automatic sandblasting machine. Can be used for sand glass,sandblasting,surface polishing processing,machinery parts. A blast nozzle accelerates the air and abrasive as the mixture exits the end of the hose. The taper and length of the nozzle's inlet and outlet determine the pattern and velocity of the abrasive exiting the nozzle. The composition of the liner material determines its resistance to wear. Designed for surface cleaning,rust removal and glass,aluminum alloy and other decorative surface sandblasting,marble engraving. Specifications: Condiiton: 100% Brand New Material: Aluminum + boron carbide Color:Black + Sliver Size: boron carbide Nozzle Internal diameter:8mm Operation: 1.Inserts the nozzle washer into a contractor-thread nozzle holder and screws in the nozzle, turning it by hand, until it seats firmly against the washer. 2.With all related equipment correctly assembled and tested, points the nozzle at the dirty place and presses the remote control handle to begin blasting. 3.The operator holds the nozzle 18 to 36 inches from the surface and moves it smoothly at a rate that produces the desired cleanliness. 4.The nozzle needs to be replaced once the orifice wears 1/16-inch beyond its original size. Package includes: 1 x Air Sandblaster Gun 1 x Boron Carbide Nozzle