For 3/4' (19.1mm) conduit or NPT pipe installs For smaller CCTV cameras weighing up to 3 lbs. (1.4kg) Length from center of flange to center of shaft: 3.5' (88.9mm) Overall mount length: 3.125' (79.4mm) Adjusting point features 210 Tilt, 360 degree Turn & 360 degree Rotation 1/4-20 mounting stud with lockring Includes both knob and set-screw adjusting options Steel conduit locknut required (two included)