Replaces Castelgarden 82004346/0. Fits 98H, 98S. Replaces: CASTLEGARDEN 82004346/0 Dimensions: LENGTH: 490 mm LENGTH: 19-5/16" WIDTH: 2-1/4" C. H. DIA: 18 mm C. H. DIA: 11/16" THICKNESS: 0.1600" OUTSIDE DIAMETER: 8.5000 mm OUTSIDE DIAMETER: 5/16"