• Kit includes: Pro Series 37 Degree Hooded Aluminum Peep (Part #749-37PS BLK) 1/8" Aperture (Part #746) 16" of Silicone Alignment Tubing (part #753-6) Peep Aligner Standard (Part #PAS) Dual Aperture Wrench (Part #210078) • 37 degree Pro Series Peep accepts all 1/8", 3/32", 1/16", 3/64", and 1/32" Apertures and Clarifiers, and all 1/8" Verifiers • Use of the Dual Aperture Wrench is recommended for insertion of Verifiers, Clarifiers, and Apertures