This is a basic panoramic adapter that can be mounted on top of a head, monopod, or tripod. The adapter has a graduated scale in millimeters to set the camera position during different shooting sequences and a dual 1/4-Inch and 3/8-Inch camera fixing screw. This accessory can be connected to a head, monopod, or tripod by a 3/8-Inch female attachment. Attachment (bottom): 3/8-Inch female thread; attachment (top): 1/4-Inch and retractable 3/8-Inch screw; color: black; material: aluminum; weight: 0.42 lbs.