Description: 【Part Number】: 311011, please check the listing pictures and part numbers carefully to ensure they are correct, ensuring seamless compatibility and straightforward installation for your existing equipment 【Construction】: Crafted from ABS material, the Mow ball head is designed to withstand demanding outdoor conditions and provide reliable, long term performance 【Dimensions】: Diameter x Height 10.2cmx10.2cmx3.5cm, great sized to maintain proper cutting height and enhance maneuverability during operation 【Wide Application】: Mowball is specifically designed for use with Walk Behind String Trimmer Mower models, making it an essential component for efficient and effective lawn maintenance 【Enhanced Trimming Performance】: This trimmer mow ball helps protect your string trimmer's head, promoting smoother operation and consistent, even cuts across various terrains Specification: Color: Black Material: ABS Size Chart: 10.2cmx10.2cmx3.5cm/4.02inchx4.02inchx1.38inch Package Includes: 1 String Trimmer Mower Mow Ball Head Note: Please allow slightly errors 1-2cm/0.39-0.79inch differences due to manual measurement.