Materia: Aluminum AlloyClip Range: 1-60MMHole Diameter: 12MMAluminum alloy, strong and firm.With anti-skid scratch pad.The hole diameter is 12mm.Suitable for microphone cantilever bracket and other audio accessories.Application: Mic Stand / Desk Lamp / Desktop Magnifier Bracket / Balloon Arch Metal Clips / Universal Bracket Package include:1 x Cantilever Bracket ClampDue to the difference between different monitors,the picture may not reflect the actual color of the itemPlease allow 0.1-1cm differs due to manual measurement,thanks