Trophy Ridge Tru-Peep 3/16 Peep Sight - Green - The world's favorite peep sight and the world's first peep sight, the Trophy Ridge Tru-Peep is all-aluminum with a legendary design that allows for a perfectly round, shaded hole at full draw. The Tru-Peep eliminates the need for protruding hoods and is kept in place by reliable safety-tie groove. All-Aluminum Peep Sight Measures 1/4in Ingenious Design Eliminates The Need For Protruding Hood Creates A Perfectly Round, Shaded Hole At Full Draw Safety-Tie Groove Keeps Peep In Place No Tools Are Needed For Installation Size: 3/16