Fumheuf Universal Adjustable Support Wheels Auxiliary Wheels For Gas String Product Features ?Higher efficiency?Faced with large lawn mowing work, do you feel physically exhausted when using a backpack mower? This support wheel can release your hands well and make you more excellent and easy in large lawn mowing work. ?Universal Fit?25MM mounting diameter, perfect for use with 24/26/28MM gasoline and electric trimmers. ?Height adjustable?With 200mm adjustable height?according to the user's height and the needs of the use scene, the height of the support wheel can be adjusted at any time. ?Easy to install? Scientific and simple design, easy to install. ?After Sales Service?We promise to give our customers the best quality service. If there is any dissatisfaction with the product please contact us in time, we will provide professional after-sales service. Shipping: Shipping is complimentary within the lower 48 US States. We Do Not Ship to PO/APO Boxes, HI or Alaska We Do Not Ship Outside of the Continental US All items ship within 24-72 hours of Payment For large items that require Freight shipping a valid phone number is required to call and schedule your delivery Terms of Sale and Feedback: Feedback is extremely important to us and If you are satisfied with our transaction, please take a moment to leave Positive Feedback. YOUR Satisfaction is our #1 Priority! If there are any issues, PLEASE contact us BEFORE leaving a neutral or negative rating so that we may resolve any concerns. We PROMISE we can make you happy if you give us a fair chance. Returns / Concerns: All items qualify for returns within 14 - 30 days of receipt. Buyer is responsible for return shipping on any item that is not damaged Please be sure this is an item you want before making your purchase. Customer Satisfaction is our TOP priority! All items are IN STOCK at time of listing. Inventory changes constantly and it is impossible to maintain a perfectly accurate count of all items. Please do not penalize us if we have to issue you a refund! Thank You For Your Business!