Truglo Tru-Site Xtreme Compact Micro Adjust Sight is a smaller version of the award winning Tru Site XTreme Series. Ultra fine click adjustment for windage and elevation with tooless lockdown. Extra Long protected wrapped fibers. The one piece head reduces vibration. The glow in the dark shooters ring helps align the peep sight. The Truglo Tru-Site Xtreme Compact sight is able to be changed for left or right hand shooters. Three sets of markings for elevation, windage and pin adjustments. 3- .029 Pins