FEATURES :
 
 � 6" (152.4mm) overall mount length
 
 � Includes two mounting bases that screw easily into the machined aluminum alloy shaft [0.875" (22.2mm) in diameter]
 
 � Use the Tri-Foot Base [4" (101.6mm) outside diameter with three 0.265" (6.7mm) holes on a 3.25" (82.5mm) bolt circle] for solid surfaces, or the T-Bar Clip for drop ceiling rails
 
 � Full range of motion at the camera: 210� Tilt, 360� Turn & 360� Rotation
 
 � Knob and tamper-resistant set-screw adjusting options included
 
 � 1/4-20 mounting stud with lockring