Cobra’s rm433spbi is fitted with the leading edge briggs stratton 575is series™ instart® engine'. '.strtoupper('t')he instart® engine is the first of its kind to combine the power of petrol with the reliability of a lithium ion battery'. '.strtoupper('t')he rm433spbi has an easy push button start and provides effortless mowing'. '.strtoupper('t')he self propelled models match the users walking pace and the three speed transmission will give you the power you need for tackling hilly and uneven ground'. '.strtoupper('t')he ohv engines are designed to offer reduced noise levels, lower maintenance requirements and better fuel consumption'. '.strtoupper('d')esigned with a robust steel deck and a compact 43cm 17″ cutting width, the rm433spbi is ideal for smaller gardens'. '.strtoupper('f')or the perfect striped lawn, the full width rear roller will support the mower as it cuts right up to the flower beds and borders'. '.strtoupper('t')he cutting height adjustment is a lever practically situated by the rear roller'. '.strtoupper('t')he roller mower trims grass to an impressive 17mm and up to a longer 75mm'. '.strtoupper('a') 50 litre grass bag is constructed from a high quality and aerated fabric, this produces a stronger airflow and helps to productively compact the grass cuttings'. '.strtoupper('t')he handle is soft grip for comfort and foldable for easy storage.specification