This Cera-grease HG is made using Boron Nitride which gives it superior lubrication ability. Cera-grease can be used with MINI 4WD cars, Radio Control Cars, Robocraft gears and bearings, and provide excellent lubrication for plastic and metal parts. The 10g aluminum tube comes with its own nozzle for easy application. *Please note: Do not apply to power switches.