Features:- The clamps bracket could also be adjusted to fit both horizontal deck rails or Vertical posts & banisters lower than 52mm in thickness.- Suitable for microphone cantilever bracket and different audio accessories.- The gap diameter is 11mm. The clamp can smooth to clip at the workbench, table, headboard or different items up to 5.2 cm thick and the nut would be smoothly adjusted to hold the lamp in place.- Plastic, very solid, uncomplicated clamps accommodate all swing lights with stems.Specification:Item Name:Bracket ClampHole Diameter:13mmClamp Range: 1- 52mmProduct Dimensions (L*W*H): 120*45*35 MM / 4.72*1.77*1.38 InchesProduct Color: BlackMain Material: PlasticApplication: Mic Stand / Desk Lamp / Desktop Magnifier Bracket / Balloon Arch Metal Clips / BracketPackage Includes:1*Bracket ClampNote:1. The real shade of the thing may be slightly different from the pictures shown on web content attributable to many factors reminiscent of brightness of your display screen and light-weight brightness.2. Please allow slight manual dimension deviation for the data.