... N30AH,N33AH,N35AH(Max.operational temperature:up to 230c) Micro Motor Magnet Outsanding product:1)high performance:N52,N48M,48SH,42UH, ... low weight loss less than 2 mg/cm2 Micro Motor Magnet applications:loudspeakers,motor assemblies,windmill,Home appliance,acousics,communication equipment,toy, ... it's not the same thing.Other Thoughts: Good for attaching thick stacks of paper to refrigerators etc or ...