As the mixture exits the hose, the jet nozzle accelerates the abrasive. The length of the cone, the inlet, and the outlet of the nozzle determine the pattern and speed of the blasting medium emerging from the nozzle. It is durable and provides a long service life. The composition of the coating material determines its wear resistance. Suitable for manual box grinders and box-type automatic sanding machines, ideal for removing tar, rust, old paint, and other materials. Condition: 1. The operator inserts the nozzle washer into a foreign-threaded nozzle holder and turns it by hand until firmly seated on the washer. 2. When all associated equipment is properly assembled and tested, the operator directs the nozzle at the surface to be cleaned and presses the remote control handle to start blasting. 3. The operator holds the nozzle 18 to 36 inches from the surface and moves it evenly at a speed that produces the desired surface cleanliness. Each pass should overlap slightly. 4. The operator must replace the nozzle as soon as the opening exceeds the original size by 1/16 inch. Color: Silver Material: Aluminum alloy + boron carbide Size: 89 x 47mm Package contents: 1 x Boron carbide nozzle 1 x Jet Only the above package content is included; other products are not included. Note: Light and display differences may cause slight color variations between the item in the picture and the actual item. Measurement allows an error of +/- 1-3cm.