? 26mm/28mm Diameter :This trimmer gearbox head is designed for 26mm or 28mm diameter lawn mowers, providing a universal fit for many popular models. ? 7/9 Teeth Design :The gearbox head features a 7/9 teeth design, ensuring efficient and precise trimming performance for your gardening needs. ? Replacement Part :This product serves as a replacement for the original gear head, ensuring your lawn mower continues to operate at optimal efficiency. ? Durable Material :Crafted from robust materials, this trimmer gearbox head is designed to withstand the rigors of outdoor use, extending its lifespan. ? Easy Installation :The trimmer gearbox head is designed for easy installation, allowing you to quickly replace your old or damaged gear head without any hassle. ? Versatile Use :Whether you're cutting grass, trimming bushes, or performing other gardening tasks, this trimmer gearbox head is versatile enough to handle it all. Specification: Brand new and high quality! Size: 26mm case inner diameter The gearbox has 10 x 1.25 left hand male thread Color: As picture shows Quantity: 1pc Package Included: 1 x Gear Head Notice: 1.Please allow 1-3mm error due to manual measurement.Pls make sure you do not mind before you bid. 2.The color may have different as the difference display,pls understand.