PXL Hunter peep is designed for the avid hunters that need adaptability. This peep features removable apertures that allow you to change aperture sizes on the go. The best part is this PXL Hunter peep is tool free, just use your hands. Each aperture allows you to clip in each lens you want to prevent unwanted movement when handling lenses. You can also change out PXL verifier and clarifier lenses on the go. This is the last hunting peep you will ever need.