Check the listing for details. Specialty Archery Aperture. Condition: New with tags. Listed at 13.99 USD. Best pricing available by contacting the shop! Thanks, Kansas Archery Center · Specialty Archery has five sizes of Apertures which will screw directly into Specialty Archery Pro Series and Ultra Lite Peeps with use of the Dual Aperture Wrench (#210078). · Aperture sizes are 1/8″, 3/32″, 1/16″, 3/64″, and 1/32″. · NOTE: You will need a Peep Reducer (#753-3) for the Apertures to fit into the Large #749-37L and #749-37LH peeps. · NOTE: Not compatible with Podium Peep™ or PXLH Hunter Peep. · To select Aperture size: If you use a 1 3/8”, True Spot Target, or Versa scope, try the 1/32”, 3/64”, or 1/16” Aperture. If you use a 1 5/8” or the Pro Series scope, try the 3/64”, 1/16”, or 3/32” Aperture. If you use the Super D, Pro Series XL, True Spot 3D or Versa Scope 3D, try the 3/32” or 1/8” Apertures. NOTE: for these larger scopes you may also want to consider one of the Large Peep Housings. 30 day return period is NOT a trial period! Returns will only be accepted if item is unopened, and unused. Warranty issues must handled by contacting Kansas Archery Center, and are not subject to the 30 return period.