BLADE MOUNTING HUB KYNAST COMPATIBLE FOR MODELS: E17/52, E404, EB424, EB484, EB504 CHARACTERISTICS: joint height in mm: 50,00 outer dimensions of blade coupling in mm: 49,00 distance between holes (centre to centre) in mm: 40,00 insertion depth in mm: 20,00 Ø outer hole in mm: 9,70 Ø inner hole in mm: 11,40 Reference Code: 2-434 Original Part No.: 00. 3106.39, 100.000.977 KYNAST