This is a self-propelled lawn mower from Honda, which whose minimum cutting height is 19 millimetres.
HSS Toolshop
Honda HRX476QY 47cm/19" Self Propelled Lawnmower with Rear Roller (Petrol)
Forth Grass Machinery
Honda HRX 476 QY 19" Self-Propelled Rear Roller Petrol Lawn Mower