This Flail Collector is suitable for use with a 20-40HP tractor, designed for the cutting & collection (by vacuuming) of grass, leaves, moss & thatch on parks, gardens, sports grounds, golf courses, etc. Product Specifications: Supplied with hammer head flails to leave a fine finish Width of Cut: 1.2m Adjustable cutting height Comes with a CE approved PTO (Power Take Off) shaft & a universal three point linkage. 1 year parts warranty ....(continued here)