... excellent properties of high remanence,coercivity,and Max.energy product. Industrial Magnet grade:N35,N38,N40,N42,N45,N48,N50, ... N33AH,N35AH(Max.operational temperature:up to 230c) Industrial Magnet Outsanding product:1)high performance:N52,N48M,48SH,42UH,38EH,33AH2 ... thing.Other Thoughts: Good for attaching thick stacks of paper to refrigerators etc or pinching together papers or textiles.Bottomline ...