Master-Grit Reciprocating Blades
                        
                            
                            IRWIN Master-Grit Reciprocating Blades
                         
                        
                            
                            
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                            Master-Grit Reciprocating Blades
                            Features:
                        - CARBIDE GRIT EDGE MATERIAL 
for smooth, quick cuts - CUTS ABRASIVE MATERIALS 
including cast iron, fibreglass, plaster and marble