For convertible models, these windshield pillar post seals measure 17-1/2" long and come as a two-piece pair, designed to fit seamlessly into your classic 1949-1951 Lincoln or Mercury, including the 9EL Series, Cosmopolitan, Monterey, and Mercury models. Crafted by SUPERsoft, these seals are built to last, featuring a smooth, flawless surface that resists sunlight and UV damage, ensuring they maintain their appearance and functionality over time. These seals are designed to fit snugly along the windshield pillars, providing a tight seal to keep out wind, water, and debris, enhancing both comfort and protection for your vehicle's interior. Backed by SUPERsoft's 30-year warranty, you can trust in their durability and performance for decades to come.