NiteRider Pro Series Headlamp Interface for existing K-EDGE K13-500, K13-505, and K13-560 Garmin Computer Mounts. Works with all NiteRider Pro mount compatible headlamps. Requires two M3 x 8 mm flat-head socket cap screws. Use of thread locking compound recommended. Can adjust tilt of the headlamp aftr setting desired angle for the K-Edge/Gamrin Combo.