• Most popular size World Archery (WA) aperture
• Interchangeable inserts
• 8mm or 12mm insert diameter 
• Includes tunnel housing, sight pin tool, #2 insert (red), #5 insert (black)
• Optional inserts available
 
Note: Size of #8-32 thread is for recurve sights. #10-32 thread is for compound sights.  Inserts only, lens not included.