The 5/16” XL Peep is larger than our current 1/4” Peep housings. Lets in the maximum amount of light for low light shooting. Works with Specialty Archery 5/16” Verifiers. 37 degree string angle only. Note: does NOT include a reducer.  Cannot be used with Specialty Archery’s smaller Apertures, Clarifiers & Verifiers. Note: NOT compatible with Peep Aligners. Available in black only. Protect your peep from dust, debris and moisture with the Peep Guard.