Product Advantages:       1, Large Ring Magnets size: 0-130mm 2, Magnetizing Direction: Radial 3, Assembling: Large Ring Magnets can be assembled with steel casing or plastic shell in device. 4, Coating: Any special coating you may want, no problem! Even unusual such as black zinc. 5, Lead time: Sample of Large Ring Magnets can be quick finished in 7 days, free shipping. 6, FEA analysis or simulation: FEA REPORT offered to client. 7, Report of physical detection: Can be offered to client. 8, Application: magnet holder.