This is a 4.33 inch ring magnet made of sintered ferrite and is a permanent hard magnet. It is dark gray in color, with an outer diameter of 110mm, an inner hole of 60mm, a thickness of 20mm, and a thickness of magnetization. It has a Y30bh magnetic grade and is mainly used for large mechanical equipment, magnetic levitation, speaker sound systems, and is available in stock. If you use this size, you can contact customer service to provide you with a cheap price.
Large ring ceramic ferrite magnet 110x60x20mm suction display;
For 110mm diameter ring horn(speaker) ferrite magnet, our company also has the following specifications and sizes;
Ø110x50x15mm
Ø110x50x20mm
Ø110x60X8mm
Ø110x60x15mm
Ø110x60x17mm
Ø110x60x18mm
Ø110x60x20mm
Ø110x70x18mm
Ø110x70x20mm
It may be a better fit for your size;