PAVS1083 Features: * Mount * Knob and tamper resistant set screw * Modular system: Base, shaft and head screw * Four 0.188" holes * 2" and 6" Aluminum shafts * T-Bar clip for drop ceiling rails * Adjustable at camera: 190 tilt, 360 turn and 360 rotation * Made in the USA * Stud with lock ring: 0.25-20 * Round base: 2" Color/Finish: * Color: Black