The product is a Toro 8" Replacement Front/Rear Lawn Mower Wheel, model number 59502. It is a single wheel designed for use on a wheel-type lawn mower. The wheel has an 8-inch diameter and is suitable for both the front and rear of the mower. This replacement wheel is intended for Toro brand lawn mowers and is sold individually. Perfect for keeping your lawn mower running smoothly and efficiently. if you have any questions just send us an email. Thanks for looking!