1" B sized Tube Mount by RAM® Mounts
Use with these "double socket" arms: Short B SizeNormal B SizeLong B Size You can use these mounts for devices:Go Pro MountPhone MountPeak Deisgn Phone Mount Sized for the normal 1" ball that you would find for your phone, ipad and GPS Mounts. Pair with an Arm and Mount to round our your system. Genuine Ram Parts, includes spacers to fit the rail as well as an allen key to tighten the bolts down! Fast and secure install Torque™ 3/4" - 1" Diameter Handlebar/Rail Base with 1" BallThe RAM® Torque™ handlebar and rail mounting base has a 1" rubberball and accommodates bars 3/4" to 1" in diameter. Sizing inserts areincluded to provide a snug fit and protection of the rail. The mountutilizes nylon-insert locknuts to prevent loosening in high vibrationenvironments.