... " fiber,with sight light, OEM/wholesale/Retail are all available Tool-less design.All parts use CNC machining,6061-T6 material ... level with two vertical bars.Level is illuminated by luminescent tape.Reversible bracket for greater vertical adjustability.Markings for windage/elevation ... TOPOINT ARCHERY, 5 pin bow sight,CNC 6061-T6 machined,tool less,0.019" fiber,black anodized,with sight light,TP4550 ...