2The 2 Pack High Quality Tech'Tools833 Speed Feed 400 Echo SRM-230 SRM-225 String Trimmer Head is a reliable and durable accessory for your string trimmer. Compatible with various ECHO models, this trimmer head is designed for easy assembly and comes with a manufacturer warranty of 1 year. With a sleek black color and a pack of 3, this product is suitable for models such as SRM-230, SRM-250, and SRM-225, ensuring smooth and efficient trimming of your yard and garden. Upgrade your outdoor power equipment with this high-quality trimmer head from Tech'Tools833.