The beltlines mount with the pre-applied clips on the top inner and outer part of the door to squeegee the door glass. This is a 4 piece chrome bead kit for both driver and passenger doors. Protect your vehicle’s interior from the outside elements and reduce noise level while driving simply by replacing your dried-out or cracked weatherstrip with a proven product that’s accepted in the industry. These beltlines are made from the OEM specs to install and fit for an authentic appearance.