FEATURES :
 
 � Shaft screws into the adjusting knuckle. For an ultra low-profile mount, screw directly to one of our Mounting Bases!
 
 � Quality manufactured and fully adjustable: 210� Tilt, 360� Turn & 360� Rotation
 
 � Knob and tamper-resistant set-screw adjusting options included
 
 � Overall knuckle height approximately 2.5" (63.5mm)
 
 � 1/4-20 mounting stud with lockring