The Roadworks Peterbilt Blank Shock Covers are a practical and durable solution for concealing shocks and air bags on 36", 48", and 63" sleepers. Made from stainless steel, these shock covers are easy to install using factory bolts and additional screws. The kit includes an upper piece to conceal shocks and a lower piece to conceal air bags. These covers are designed to fit various truck models from 1973 to 2005, excluding day cab or 70" sleeper trucks. With a 1-year warranty from Roadworks, these shock covers offer both functionality and peace of mind.