Chemical series oil set for Mini 4WD, a set of 3 for terminals, metal gears, and ball bearings. I am selling these because I am retiring from Mini 4WD. - Model number: No.007 - Application: For terminals (unused) - Model number: No.006 - Application: For metal gears (unused) - Model number: No.003 - Application: For ball bearings (80% remaining) Thank you for looking.