New for 2018, the Optimizer Tetra represents the 4th generation of our world renowned Optimizer Series single pin sights. With a redesigned two stage, micro adjust windage unit, all new water resistant sight tapes and a silky smooth 2.1” of travel, the Tetra is the MUST HAVE sight of 2018! The quiver friendly, wheel forward design fused to a sleek, rugged sight frame makes the Tetra ideal for bowhunters and 3D shooters worldwide. Full 2nd and 3rd axis adjustment and compatible with a full line of accessories, the Tetra will quickly establish itself as one of the most versatile sights on the market for years to come.