Specifically designed for use with angle mounted peep sights. Installs in the string with your peep sight to provide self alignment. Fits peep sights with 7/32" and 1/4" apertures.

Features:Ultra True-Aligner with tube is designed for use with the popular angle mounted aluminum peep sights;The aligner and peep are served together in the string to become a single unit;This ultra model is for use with large diameter angle mounted peep sight