TP bow sight scope with lens CNC competition level metric thread 10-32

Specifications:

• Aircraft-grade 7075 aluminum with precision machining of CNC
• Level of competition
• 28mm diameter
• High-performance glass with antireflection coating that keeps your vision clear,helps you get rid of the double image
• Lens can be easily exchanged without changing your aim point
• Screw rod: Metric thread 10-32
• There is O-ring inside the bow sight to prevent the loose
• The unique groove design prevents light fiber from being exposed but make the fiber efficiently absorb light