The STIHL 69097011605 Mulching Kit 40 cm is a genuine OEM accessory designed to convert compatible STIHL lawn mowers into mulching machines. This kit includes a specialized mulching blade and a mulching insert, which work together to finely shred grass clippings. The shredded clippings are then returned to the lawn, acting as a natural, nutrient-rich fertilizer. Specifically engineered for STIHL lawn mowers with a 40 cm cutting width, this kit ensures optimal performance and a healthier lawn. It is compatible with STIHL RME 235 and RMA 235 series models.