This low angle adapter is designed to store at the bottom of the centre column. Great for when the tripod legs angle is set to 43°, 73° and 90°for low angle shooting. You can also lighten the tripod by using this instead of the standard center column. Attachment (top): 3/8-Inch screw; color: black; column cross-section: three-faceted shape; material: technopolymer; weight: 0.08 lbs.