Permatex 80070-12PK Silicone Spray Lubricant, 10.25 oz. net Aerosol Can (Pack of 12) Will not mar paint, rubber or plastic surfaces Electrically insulates, lubricates and waterproofs all types of mechanical equipment Coats hinges and channels, preventing locks, doors and windows from binding and squeaking High silicone formula does not attract dust or dirt Protects and renews rubber mountings, bushings and weather stripping