Specialty Archery Peep Housing Black 5/16 in.. 5 gr. Threaded to accept all 1/8" apertures verifiers and clarifiers. 37 degree peep should be used in bows under 40" axle to axle. Package Contents: Specialty Archery Peep Housing The 5/16 peep lets in the maximum amount of light for low light shooting. Works with 5/16 verifiers. This peep cannot be used with Specialty Archerys smaller apertures clarifiers or verifiers. Available only in black and in 37 degree string angle. Does not include a reducer and does not work with peep aligners.