... force 3.Zn,Ni coated 4.Do as the drawings speaker disc magnetsProduct Image1.Material: neodymium magnet2.Grade: N35-N52, N30M ... as block, disc, cylinder, ring, ball, arc, segment, can custom magnet as per your drawing4.Coating : Ni,Zn,Gold,Silver,Epoxy ... : Standard Export packing,air packing ,sea packing7.Delivery : depends on magnet specification and quantity.Payment OptionsWe accept payment by T/T ...