NdFeB Magnet Grade vary from N33-N54
Disc Size: D2 D3 D4--D80
Block size: F1 F2 F3--F100
Ring size D2 D3 D4--D80
Ball size: D4 D5 D6 -- D50
Coating: Znic, Ni-cu-Ni, Black Epoxy.
Delivery time: 15-21 days for mass order.
Deliver time for samples: 10 days .