Pro Armor Traditional Half Door have been designed out of all aluminum construction to save weight and ensure strength and durability for any type of riding. They are a direct bolt on to your RZR with no drilling. They have a 3 point mounting system using the A pillar B pillar and underseat mount to frame. The doors are built with sheet metal skins and make it easier to enter and exit your RZR. Simple to install using existing and included hardware.