Description: Comes with 2 keys and mounts behind the existing handle-. Add security to your Sierra with this Tailgate Lock Package with a replacement tailgate handle that features the convenience of codeable lock technology. The codeable locks cylinder configures itself to your Sierra key so it is the only key you need for your truck and any accessories also equipped with a codeable lock. End Gate Lock Package. Protect your tailgate and your cargo with this hardened steel tailgate lock. Includes 2 keys.