The Vortex® Precision Diving Board Mounts are expertly machined from certified USA 7075 T6 billet aluminum, ensuring exceptional durability and precision with a tolerance of just .0005". These mounts are anodized with a Type III hardcoat for superior protection.Designed to provide the ideal height and positioning, they are perfect for the Vortex® Impact® 4000 Rail Mounted Ballistic Laser Rangefinder, red dots, and other picatinny mounted accessories.