Two machined detents and nylon heim joints provide smooth door opening and two stop positions. Current nylon straps can easily slip off their posts rendering them useless. These Billet Door Stops also feature retaining clips to prevent costly damage from doors slamming against fenders, flares, doors and cowl areas. Retaining clip also allow the quick release of billet stops for easy door removal without the use of tools. Kits come complete with two door stops and there's no drilling required. Kits include redesigned zinc plated retainer hooks. Installs in minutes using existing mounting holes and fasteners. Assembled in USA.