Manufacturer Part Number: 5520004599PRO|Accessory Type|Rebuild KitFor Use With|4-1/2" HD Angle Grinder 5520004531JPOverall Diameter|Includes|3/8-24 UNF Spindle 5D-6192S29;Ball Bearing 61932;Ball Bearing 80227;Bevel Gear 5D-6192S30;Bevel Gear 61922UNSPSC Code|27112800