This handy mulching set allows you to create incredibly fine much as your cut your grass without any added effort this set includes a lawn mulching kit and a set of replacement polyamide threads nylon mulch kit turns your standard lawn mower into a powerful mulching mower from any not suitable for mowers with wheel drive the stable 4 square polyamide threads nylon threads chop the grass into incredibly small pieces creating a natural organic fertilizer the gartenmeister universal lawn