According to the kinds ,it has Frankfurt (horseshoe),Diam 110mm round brush .Fickert(brad) an d so on ;According to the grits included steel. 36# .46#、60#、80#、120#、180#、240#、320#、500# an d so on .Frankfurt is used in han d grinding machine ,industrial polishing lines step retreading machine ,round brush is used in han d grinding machine step retreading machine ;Fickert is used in automatic grinding machine .
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