Fits 1228M, 1228H, 1436H, 1436M, 1438M, 1440H, 1840H, 2040H, 1740H, 1640H, 2048H, 2248H, 1538H - SD, 1538 M-SD, 1538 SD, 1435 H, 1435E, 1430M, 1430H. Blade Adaptor Spec: 20mm Bore Size x 36mm Tall. Fits most 92, 102, 122cm deck models (Examples below).