Description  Hole Diameter: 12MM  Materia: Aluminum Alloy Clip  Range: 1-50MM  Application: Mic Stand / Desk Lamp / Desktop Magnifier Bracket / Balloon Arch Metal Clips / Universal Bracket  Feature： - Aluminum alloy, strong and firm. - With anti-skid scratch pad. - The hole diameter is 12mm. - Suitable for microphone cantilever bracket and other audio accessories.  Package include 1 x Cantilever Bracket Clamp