21mm ring magnet

Ring Ferrite Magnet for Speakers 21 x 7 x 5 mm

This is a ring-shaped ferrite magnet with an outer diameter of 21mm, an inner diameter of 7mm and a thickness of 5mm. It is uncoated and is mainly used for speakers. Our company has many large and small ring magnets for speakers. The price is cheap. Your consultation is welcome. ....