This top-quality Oregon 191-392 blade is designed to fit John Deere mowers and measures 19-1/2 inches in length. It is also compatible with Arnold 490-110-0026 and AM100946 models. Made from durable materials, this blade is perfect for maintaining a healthy lawn all year round. The blade is suitable for use with all types of lawn mowers and is an essential accessory for any lawn maintenance enthusiast. With its precision design and easy-to-install construction, this blade will make sure your lawn looks its best at all times. So, upgrade your lawn mower today with the Oregon 191-392 blade and experience the difference it makes!