... thanks to the premium raw material it has.Applications:1,A multifunctional burnisher is for grinding,polishing,cleaning,crystalization on surfaces ... covering concrete,epoxy,stone,marble,granite,terrazzo,etc.2,A multifunctional burnisher is for old floor removal,restoration,renovation, ... , and for whom just start floor grinding business as a try and learning.3,Fits kinds of tools including resin bond ...