Portable RAM Mount Tripod Ball Head Adapter For GoPro Hero 1 2 3 3+ 4 Camera -Ball Head Adapter for RAM Mount Tripod -Designed for GoPro Hero 1 2 3 3+ 4 -Diameter: 2.5cm -Material:ABS Plastic -Stock level and availability are subject to change without notice We carry many camera accessories like battery, charger, lens cap, lens hood, etc.. - We specialize in Electronics, Computer, Cell Phone, Camera, Professional Signal Conversion Devices, Adapter, Cables and other Accessories Pickup Location: "Cable Link" Tel: 613-680-6188