Wheel Set (shown with optional Crevice Cleaner attachment) attaches to your Mantis Tiller in minutes. Let's you have the option to roll or carry your Tiller to your garden. Park your Mantis Tiller in an upright position to add fuel, or store it upright when you don't have a wall to lean it against! Wheels add stability when you use the Crevice Cleaner or Border Edger attachments. Rubber wheels make the Mantis Tiller easy to roll around your yard, over curbs, and up hills. Attaches to your Tiller in a few minutes. Wheels adjust to any of six different heights. Can be adjusted or removed in seconds.