Simple to operate, safe and environmentally friendly. *It features ultra powerful nozzle and humanized snap switch. *Suitable for removing rust on metal surface and removing corrosion on metal surface. *Remove the oil, dirt and dust on the metal surface, so as to keep it clean and prevent rust *Scope of application: door window lubrication, wheel hub lubrication and rust prevention, car rust parts, rust removal, etc. nstructions: 1. Shake evenly before use; 2. Spray the lubricant on the surface; 3. The rust removal area needs to be sanded with sandpaper before spraying the lubricant; 4. The slotted hole uses a centralized nozzle, and the spray nozzle is used in a large area.