VEVOR Wheel Lock, 2 Packs Universal Wheel Clamp Lock, Adjustable Anti Theft Trailer Lock Wheel Clamp, Heavy-duty Steel Tire Lock for ATV RV SUV Car Golf Cart Boats Motorcycles, with 6 Keys

Dear Customer, Thanks for your inquiry. The keys of this product are configured at the factory. A set of six keys needs to be properly kept by the customers for spare keys.

The product has a one-year warranty, and free parts replacement and technical consultation are provided within one year. Please refer to the following link for details. https://www.vevor.com/pages/return-policy

For Wheel Lock, this depends on the size of the lock and will apply within a range.

Yes it opens so you can use it on a number of different tires sizes