Allows for stable positioning of a GPS device or smartphone in the motorcycle cockpit. Provides various mounting options. T-lock holder allows device cases to be quickly attached to the socket arm. Swiveling socket arm allows precise positioning to keep instruments and the road in view. Come with all material required for mounting. For use with smartphones/GPS with maximum external dimensions of 165 mm x 80 mm x 12 mm and minimum external dimensions of 144 mm x 71 mm x 7 mm.