Includes all 5 Apertures (1/32", 3/64", 1/16", 3/32" & 1/8"), Apertures will interchange in all Specialty Archery Peeps without removing the peep from the string. You will need a Peep Reducer (#753-3) if inserting Apertures into the 1/4" #749-37L or #749-37LH peeps. 

Kit includes Apertures, Storage Case (#210000), and Dual Aperture Wrench (#210078).