Applications: Fits Tohatsu 2-stroke outboard motors: M25, M30, M35, M40 Fits Tohatsu 4-stroke outboard motors: MFS25, MFS30 Fits Nissan 2-stroke outboard motors: NS25, NS30, NS35, NS40 Fits Nissan 4-stroke outboard motors: NSF25, NSF30 Dimension: A External Impeller Overall Diameter: 44mm B Height: 20mm C Internal Shaft Insert Diameter: 17mm Number of Blades: 6 Net Weight: 11g Plastic Hub