Used to make a lighting fixture into a followspot with smooth panning action A rotating 28mm spigot with M10 screw attached Smooth panning action due to roller bearings inside, locking knob controls position Chrome Plating and black sand painting Length 7.8 inches Use this 28mm rotating spigot to make a lighting fixture into a followspot. Smooth panning action is assured by roller bearings which allows the user to pan gently without sudden movements when moving a spotlight. A locking knob controls the position. The 28mm spigot also comes with an M10 screw attached. Specifications Weight: 43.45lb / 19.75kg Color: Silver & Black Product Height (in): 1.89in Product Height (cm): 4.79cm Product Length (in): 7.79in Product Length (cm): 19.79cm Product Width (in): 3.35in Product Width (cm): 8.5cm Product Weight (lb): 43.45lb Product Weight (kg): 19.75kg Primary Material: Steel Warranty: Limited Two-Year Warranty