Easy Eye Archery Products EZE Laser Tuning Aid. The newest and last version of our premier bow set-up tool, the Eze-Center LTA is going to change the way bows are set-up forever. From the first version,to the Pro Series, we knew we had to figure out a way to make our product with the reliability of the Pro and the affordability of the Hunter Version without compromising quality.It took two years of research and many hours of testing but we figured it out! The Eze-Center LTAÖ surpasses any tool to come before it. Not only can center shot be achieved easily, but because of our testing, new laser diode and many other archers input, we are pleased to say this is "THE MUST HAVE ARCHERY TOOL FOR EVERY BOWHUNTER!"