Features: 100% brand new and high quality. Aluminum alloy, strong and firm. The hole diameter is 12mm. Can be clipped something up to 45mm. Suitable for microphone cantilever bracket and other audio accessories. Item:Bracket Clamp Hole Diameter: 12MM Materia: Metal and Plastic Clip Range: 1- 45MM Color: Black Application: Mic Stand / Desk Lamp / Desktop Magnifier Bracket / Balloon Arch Metal Clips / Universal Bracket Product packaging: 1PC x Bracket Clamp