Can be used as a soak or to refill spray applicators designed for commercial useINDUSTRIAL PENETRANT: Loosens seized metal parts, cleans, penetrates and displaces moisture on metal partsPROTECT METAL: Penetrating oil that does not attack or damage metal and is safe on all metalsPRECISION APPLICATION: Use in small quantities for precise applications with liquid formula When stuck on a job, use Kroil.