... N33AH,N35AH(Max.operational temperature:up to 230c) Neodymium metal Outsanding product:1)high performance:N52,N48M,48SH,42UH ... low weight loss less than 2 mg/cm2 Neodymium metal applications:loudspeakers,motor assemblies,windmill,Home appliance,acousics,communication ... equipment,toy,car,servomotor,step motor,DC motor and linear motor,mircrophones Pros: Very strong hold ...