Rivet-580 Set of 12 Rivets for Ring and Pinion Set Fits Case 580 580B 480 480BSet of 12 New Aftermarket Replacement Rivets for Ring and Pinion Set Fits Case Backhoe and Construction Equipment This is a set of 12 solid steel rivets used to attach the ring gear to the differential carrier on rivet on style ring and pinion sets in Fits Case backhoe loaders and construction equipment. These 3 8" x 1 3 8" round head solid steel rivets are required when installing or rebuilding a rivet on ring and pinion set in the rear differential