WHAT IS THE LIFETIME OF THE BLADES?
The lifetime of the blades varies immensely and depends for instance on:
Operating time and size of the working area
Type of grass
Type of soil
The presence of objects such as pine cones, toys, tools, stones, roots and alike on the lawn are likely to damage your mowers cutting blades and should be removed from the lawn regularly to avoid damage to your machine. You can easily replace the blades by yourself.