Features: 360 degree rotating shaft and ball joint design.Allows you to freely adjust the angle, it's convenient and practical.Use completely high rigidity aluminum casting with precision CNC machining.sturdy body is durable without deformation.The surface is sandblasted and treated by anticathode oxidation which greatly improves the anti-corrosion.Manual screw controls the rotation of the rotating shaft and the base mount.Once you have adjusted the desired shooting angle, tighten the screws.The base inside the rotating shaft is welded and fixed,it's safe and reliable, don'for t worry about falling off.for Hero 10 9 8 7 6 5 and Camera and more. Specifications: Material: Aluminum Alloy Color:Black Hole Diameter:Approx. 11mm/0.43 inches Application Model: for and Action Camera and more Quantity: 3 Pcs Note: 1.Please allow 1-2cm errors due to manual measurement, make sure that you do not mind before you order. 2.Due to the difference between different monitors, the picture may not reflect the actual color of the item. Package includes: 1x Mount 1x Screw 1x Wrench