Mirka Galaxy is a new kind of high technology abrasive. It combines effectiveness with long use life, thanks to a new kind of self-sharpening ceramic grain, a clogging resistant coating and the new Multifit™ hole configuration. How do you keep an abrasive sharp? Make it re-generating. The ceramic grains used in the Mirka Galaxy are self-sharpening. This means every time an edge of an abrasive grain breaks off, a new cutting edge is simply formed, making it possible for the Galaxy to continue cutting longer and longer. 

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