The Eye Bolts with Zwifloc (4) is designed to provide versatile tie down points for your Pioneer platform, Reconn-Deck or with the use of the Vortex specific channel nuts which are Includesded, Vortex cross bars. The kit Includesdes 4 Eye Bolts, each with the patented Zwifloc channel nut, which allows quick and easy installation anywhere without moving other accessories.