This Toro Dual Residential Grade 0.065 in. D X 25 ft. L Replacement Line Trimmer Spool 88512 is the perfect choice for maximum efficiency. With its auto feed head, it ensures peak performance that you can rely on. Snapping into place on Toro trimmer model 51480 with no hassle, you can enjoy 25 feet of tangle-free trimming. Get peak performance with ease!