The Apex Gear Bone Collector Versa Peep (Black/Green/Orange) has a lightweight machined aluminum design. Its angled design allows for perfect peep alignment. Also, the versatile interchangeable inserts allow the shooter to customize peep without a bow press for preferred size / color. The Bone Collector Versa Peep features an angled design for shorter axle-to-axle bows, precision CNC-machined and the 1/4" metal peep can be used without an insert. Inserts included are 1/8", 5/32" or 3/16" and includes are black, red and green color.