BA010 BEITER SIGHT TUNNEL COMPLETEA sight pin preferred by many Elite archers. Features a range of interchangeable aperture styles. Available in 2 hood sizes. 8mm which has an 8-32 thread size only. 12mm which is available in either 8-32 or 10-32 thread sizes. Hoods are available in clear or black. Inserts available to accept fluorescent aiming pins.The pins also fit the Beiter K scope lens and are featured under scope sights.