The Contour 500E is a powerful, lightweight, easy to use 3 in 1 electric grass trimmer that offers trimming, edging and a shrubbing facility to cut grass in awkward areas like under garden benches easily. The trimmer comes with a retractable plant guard that helps protect plants and shrubs whilst trimming. The trimmer also has a twin automatic feed cutting system which allows you to cut tougher grass, feeding your additional cutting line when you need it.