Cobra Archery Python Micro Adjust is unique with a reversible mounting bracket with offset mounting holes which provides a wide range of vertical adjustment. Also includes a no-tools ratchet-style windage and elevation with micro adjustment. All-metal construction with super-strong dovetails. Comes with five fully protected all-metal pins with .019 field replaceable fiber optics. Coming in at a weight of only 8.1oz and an adjustable 2nd and 3rd axis bubble level.