Superior quality with knob and set-screw adjusting options. • 0.5" (12.7mm) diameter solid steel shaft • 1/4-20 mounting stud with lockring • Fully adjustable at the camera (190° Tilt, 360° Turn & 360° Rotation) • Knob and tamper-resistant set-screw adjusting options included. • Matching vinyl cover adds a finished look! • 6" (152.4mm) overall length • 2" (50.8mm) round base with four 0.188" (4.8mm) holes on 1.6" (40.6mm) bolt circle Choose Black or White.