- Compatible with STIHL FS120, FS200, and FS250 line trimmers, ensuring a perfect fit and reliable performance. - Direct replacement for OEM part number 4128 790 1301, which means easy installation and seamless operation without the need for adjustments. - Package includes 1 Throttle Control Switch, providing you with the essential component to maintain your trimmer's optimal function. - Crafted from high-quality materials, this throttle control switch is built to withstand rigorous use and enhance the durability of your equipment. - 100% brand new, ensuring you receive a product that meets the highest standards of quality and performance. - Effective solution for restoring the responsiveness of your trimmer, making cutting tasks easier and more efficient. - Ideal for regular lawn maintenance, landscaping projects, and garden upkeep, this switch ensures your line trimmer operates smoothly at all times. - Trust in a product that offers top-notch customer service, providing support and assistance whenever you need it.