... ,block,tile size:according to your need Rare Earth Motor Magnet mainly comprised of neodymium ,iron and boron,is ... Max.operational temperature:up to 230c) neodymium Rare Earth Motor Magnet Outsanding product:1)high performance:N52,N48M,48SH, ... appliance,acousics,communication equipment,toy,car,servomotor,step motor,DC motor and linear motor,mircrophones Pros: Very strong hold when contacting another ...