The 281238-01-0 Radio Mounting Frame is a 1-DIN electronic part manufactured by ACV for installation in vehicles such as Cadillac, Chevrolet, Hummer, and Pontiac. It is designed to securely mount a one-dimensional radio receiver or other audio system component in the dash of said vehicles. Additionally, the frame includes specialized mounting hardware, including tabs, nuts, and screws, to ensure a secure and professional-looking installation.