FEATURES :
 
 � 9" (228.6mm) overall mount length
 
 � Both adjusting points have a full range of motion: 210� Tilt, 360� Turn & 360� Rotation
 
 � 1/4-20 mounting stud with lockring
 
 � Shafts are machined aluminum alloy 0.875" (22.2mm) in diameter
 
 � Knob and tamper-resistant set-screw adjusting options included
 
 � Square mounting base for solid surfaces, 2.5" x 2.5" (63.5mm x 63.5mm),
 with four 0.219" (5.56mm) holes on 2.0" (50.8mm) x 2.0" (50.8mm) layout