Mounting to a Picatinny or Weaver type rail, the standard, 2-screw Hunter rings are a nice match for general hunting setups. Made from aircraft-grade 6061-T6 aluminum for optimum strength. These Vortex Hunter Rings position the center of the riflescope tube at a height of 1.22 inches (31.0 mm) from the base. Sold two rings per package.