Kit includes: 37 degree Hooded Peep, Cable Key, Silicone Alignment Tubing, 1/8" Aperture, and a Dual Aperture Wrench. The revolutionary Super Hunter Peep uses optional 1/8" apertures with 5 hole sizes to choose from (1/32, 3/64, 1/16, 3/32, and 1/8) for a bright view. The optional screw-in Verifier lenses sharpen the pins. The Clarifiers when used with a scope and lens sharpen the target face. The Super Ball Peep is designed to accept all of the 1/8" Super Peep apertures, clarifiers, and Verifiers. Use of optional dual hex wrench is recommended for insertion of verifiers, clarifiers, and apertures. The Super Hunter Peep is available in 37 degree string angle groove.