1. Compatible with a variety of devices for fixed use. 2. It can be rotated 360 degrees, and the required position and angle can be adjusted freely according to its own situation. 3. It is often used for the installation of round pipe handlebars, such as motorcycle/bicycle/car/ship/aircraft equipment, which is shockproof and stable. 4. Compatible with various sizes of connecting rods. 5. Compatible round tube diameter: 15-33mm. 6. Compatible screw hole distance: 23-47mm. 7. Material: 304 stainless steel + aluminum alloy + nylon plastic + rubber.