Ariens Auger Iron Gearbox with impeller from older 10M 724-NICEHere is a vintage Ariens cast iron auger gearbox with impeller from and early 10M 7HP 24 blower. This has a 1″ diameter auger shaft, a 12″ impeller, and 3/4 impeller shaft that is splined to accept the jam clutch. Spins smoothly and is tight..