Millett Magni-Lever Riflescope Fits Vortex Razor HD Power Change Ring Highly machined for a precision fit CNC machined from solid aircraft aluminum billet with a type II hard coat anodized finish Makes it easier and quicker for competitive shooters to change magnification levels and more rapidly acquire targets Magni-Lever easily attaches to the power change ring using four torx screws Guaranteed not to crush scope tube