Blade support hubs compatible with HUSQVARNA lawn mowers FOR MODELS: MASTER GARDEN, MASTER GARDEN S, MASTER PRO, MASTER PRO S, ROYAL 46, ROYAL 47, ROYAL 47S, ROYAL 47 SE, ROYAL 48, ROYAL 53S, ROYAL 53 SE CHARACTERISTICS: Shaft diameter: 25 mm Insertion depth: 22.1 mm Reference code: 30-707 Original part number: 516 84 20-00 , 516842000 , 531 00 50-29 , 531005029 , 531 00 60-34 , 531006034 , 531 02 06-54 , 531020654 HUSQVARNA