The Kenworth And Peterbilt Air Safe Air Brake Lock is a practical and durable solution for securing your air brakes. Made in the USA, this zinc die-cast, one-piece lock features a key code range of P0001-P1500 and is sold individually. With its easy installation and compatibility with most Freightliner T680, Peterbilt 384, 386, and 389 models, you can effortlessly lock and unlock your air brakes in seconds. This reliable product ensures the safety and security of your vehicle without the need for flashy or promotional language.