... sight,,micro adjust,0.019" fiber,black anodized,with sight light, OEM/wholesale/Retail are all available All parts use CNC ... view.Aperture has 2" inner diameter.Ultra-strong/lightweight construction.Glow-in-the-dark shooter’s ring.Adjustable 2nd and 3rd ... machined,micro adjust,0.019" fiber,black anodized,with sight light,TP6550,Topoint archery