We sell High Speed High Performance Grade both online for DIY fitment or we can also carry out the installation for you at your home or work. Rated up to speeds of 150mph. Suitable for cars, light commercial vehicles, motorhomes, motorcycles, touring caravans and trailers. Seals punctures caused by puncturing objects up to 6mm in diameter, but in the event that the puncturing object has caused excessive tyre damage PunctureSafe will obstruct escaping air causing the tyre to deflate slow and controlled allowing the driver to remove the vehicle from a potentially dangerous location. Reduces costly downtime for fleet operators.