The Summit Phone Holder can be positioned on the sides or front of the FastTrack rail for hands-free filming. This fully-adjustable holder supports smartphones vertically or horizontally for the perfect photo or video. The adjustable telescopic arm and angle-adjustment knob provide you flexibility to achieve the best recording angle.

Features:Attaches to the sides or front of the FastTrack rail;Holds phone 2" to 3-3/4" wide;Adjustable telescopic arm raises and lowers phone;Angle-adjustment knob;Holds phones vertically or horizontally