Too bulky to lubricate some smaller cables, the rubber cone inside could have a smoother angle instead of just having 3 different sizes for cable glands. Has helped lubricate several new and old cables on bikes, garage doors, lawn mowers, motorcycles, cars etc and keep them running for years. It recently helped me save a ton of money by re-lubing the throttle cable on a 2003 Subaru Forester black box with wires in the engine compartment on the passenger side), the car had intermittent high idle