Manufacturer Part Number: 5520004598PRO|Accessory Type|Repair KitFor Use With|4-1/2" HD Angle Grinder 5520004531JPOverall Diameter|Includes|(4) Rotor Blades 61916;Bushing 5D-619227;Gasket 5D-619008;O-Ring 206011;O-Ring 52236;O-Ring 61907;Retaining Ring ISTW-7;Spindle Stop Button 5D-619229;Spring 5D-619208UNSPSC Code|27112800