You can install or replace all lock cylinders on your Thule products with the Thule One Key System 4 Pack. The same key works all the locks. Set of 4 Locks, All Use Same Key, Including Grip Friendly Thule Comfort Key, Replace the Locks in your Thule Product in a Few Easy Steps, Model Year: 2021, Product ID: 557425, Shipping Restriction: This item is not available for shipment outside of the United States., Model Number: 450400, GTIN: 0091021554429