Description Part No: IWA-015002 – Iwata Lube (2 ml) Iwata Lube is essential for good maintenance of your Iwata airbrush or any other airbrush to keep parts moving smoothly. Iwata Lube can be used on all moving parts. In particular apply it to: main lever needle packing valve-piston packing along the needle and in the needle cap to enhance paint flow and prevent the tip drying Iwata Lube: is non-toxic is silicon-free has no evaporative qualities maintains viscosity in all environments Make sure you do not use  silicon-based lubricants in your airbrush trigger and air valve as anything with silicon can damage the look of your work. Clear coat runs away from silicon and can lead to paint not sticking properly, not spraying right, or fish eye finish .