6 different powers available.
#4 (Silver) is the weakest & #9 (Orange) is the strongest.
May be purchased separately or in a kit.
1/8"" & smaller Verifiers can be used with either Specialty Standard Size Peep Housing, or Specialty Large Peep Housings with the use of a Reducer.
1/4"" Verifiers are for use with Specialty 1/4"" Large Peep Housings.
5/16"" XL Verifiers are for use with Specialty 5/16"" XL Peep Housing.
