Specification Color: Silver Process: Galvanization Installation Required: Yes Product Diameter: 15cm/6in Gross Weight: 0.59kg/1.3lbs Net Weight: 0.47kg/1.04lbs Material: Manganese Steel, Stainless Steel Package Size: 16*15.5*4.5cm/6.3*6.1*1.77in Applicable Mower Type: Gasoline Lawn Mower Package Included 1* Cutter Trimmer Head Notes Please allow the slight color difference caused by the shooting light and 1-3cm error due to manual measurement, and make sure you do not mind before ordering.