Item made by high-quality iron, thick black spray coating, make the product both sturdy and aesthetically pleasing
The connection has been fully welded around the entire circle, making it more sturdy
Disk diameter: 4.33" / 110mm, Shaft height: 3.15" / 80mm; Diagonal holes distance: 80mm; Screw hole diameter: 6mm; Outer diameter of cylinder:40mm, suggest that the bottom opening size of the speaker be greater than 40mm
Cylinder inner diameter: 35.5mm, accepts a 1.375" speaker pole