The Stihl 63710113425 Mulching Kit is an original equipment manufacturer (OEM) accessory designed for the Stihl RM 253 petrol lawn mower. This kit allows the RM 253 to convert from standard grass collection to a mulching function, finely shredding grass clippings and returning them to the lawn as natural fertilizer. It includes a multi-blade and a mulching plug, ensuring optimal performance and a healthier lawn. This genuine Stihl part ensures perfect fit and reliable operation.