BLADE HUB Compatible with KYNAST Lawnmower Model V22 - 27 - QUANTUM MEASUREMENTS: Shaft diameter: 22.2 mm Insertion depth: 22 mm Hole diameter: 15 mm Coupling height: 26 mm Inner diameter (top/bottom): 15 mm Reference code (Rati.): 2-433 Original code: 00.30.88.01, 100.000.039 Kynast