Tired of wrestling with your old, worn-out Echo trimmer head? Grab this direct replacement Speed Feed 400 style head and get back to easy trimming! It's designed to fit a bunch of popular Echo gas-powered trimmers like the SRM-225, 230, 210, 250, 2620, and 266. The head comes pre-wound with 2.5 meters of durable 2.4mm trimmer line, so you can install it and start working right away. It has the standard M10x1.25 thread size for a secure fit. Made from a tough combo of ABS and nylon, it's built to handle bumps and heavy use. The Speed Feed design is famous for letting you reload line quickly without taking the head apart – just tap and go! Whether you buy a single one or a 5-pack for spares, this is an affordable way to keep your Echo weed eater running like a champ all season long. Simple swap, big difference.