Features: Color: White Main Material: Carbon Steel - Made of carbon steel and plastic handle, which are rust-proof, strong and durable. - Metal thickened base, with a strong desktop rotating clip, can be firmly fixed on the desktop. - Adjustable star shaped handle screw, easy to adjust to fit the diameter of the insert rod for a more firm installation. - Easy to Install, can be directly clamped to the edge of the table less than 45mm in thickness, and fixed with the long screw. - With metal handle and M8 screw, easy to operate. - A sponge pad is added to the base clip to prevent scratching the desktop device. - Suitable for 12mm/0.47inches swing arm desk lamps, microphone holder, and other mount. The maximum load is 2kg. Item：Bracket Clamp Hole Diameter: 12mm Range: 1- 45mm Material: Carbon Steel Place of Application: Mic Stand / Desk Lamp / Desktop Magnifier Bracket / Balloon Arch Metal Clips / Universal Bracket Note: The socket diameter of the lamp clip is only 12.5mm, which is only suitable for the cantilever bracket with the plug rod diameter not greater than 12mm. Product Weight : 120 G / 4.23 Ounces Product Dimensions (L*W*H) : 59*33*80 MM / 2.32*1.30*3.15 Inches Package Include: 1 x Bracket Clamp