strong small cylinder magnet 1.Material:Rare earth,ndfeb 2.Shape:cylinder, ... .Grade:N35-N52,N30M-N48M,etc 4.Coating:Zn strong small cylinder magnet1.Material:rare earth ,neodymium 2.Shape:Tile,Ring ... ,Disc,Block,Cylinder,Tile,Arc,customers3.Size:customized4.Grade:N35-N52,N30M-N48M,N35SH-N45SH ...