Charlie Drissel found a gap in optics manipulation and created a line of Power Throw Levers and Cat Tails to aid in manipulation of the scopes magnification knob. These Cat Tails are custom designed to fit specific model scopes and are CNC machined from 6061 T6 Aluminum. The finish is Type II Class 2 Black Anodize per MIL-A-8825. The two 4-40 Socket Head Cap Screws are Black-Oxide 18-8 Stainless Steel.