Specification: Product Name: Trimmer Head Color: Black Material: Plastic Trimmer Head: 2.0-3.2mm Spinning Speed: Max.10000RPM Note: The color of the item may vary slightly due to photography and different PC monitor, and the size might be slightly errored due to manual measurement. Your kindly understanding would be appreciated. Please note that this will not suit most curved-shaft trimmer or any trimmer which uses a separate bolt to secure the head in place. Package Included: 1 X Trimmer Head