This is a genuine Hayter height adjusting rod p/n 300104, which fits the Harrier 41 Electric, Harrier 41 Push, Harrier 41 Autodrive & many other lawnmowers. If you are unsure whether this is the correct part for your machine, please fill out our online parts enquiry form here. The technical department will then respond to confirm whether or not it is the correct part for your machine.