Elite Mailers - Pegasus Style 2 - Projector Retrofit Shrouds Color: Brushed Aluminum Measurements &amp; Diameter: 4.90" Total Body Radius, 2.75" Projector Exposure Area Fit Manufacturer Projector Size: 2.5" and 3" Projectors Professional Help is required for installing these Shroud properly! Elite Mailers is NOT responsible for any damages that may occur through installation