The B120-PT transponder key blank is made to fit Chevy Express (2015-2017), and GMC Savana (2015-2017). Transponder is built into the head of this key. Nickel plated brass key with black plastic head. Transponder embedded key. This key must be cut and programmed before it will operate your vehicle. Can be programmed with a SDD/TKO/TCP/MVPP type tool. Key may be user programmable via on board programming. Key can be duplicated using a high security key cutting machine.