Material: Plastic. Color: Black. Package: 1pcs of Trimmer Head 3pcs of Mowing Ropes(Other accessories are not included). Screw Size: M10*1.25. Trimmer head height: Approx. 53mm/2.09". Trimmer head diameter: Approx. 60mm/2.36". Mowing rope length: Approx. 26cm/10.24". Mowing rope diameter: Approx. 2.6mm/0.1". Please attention: Due to manual measurement , there may be 0.1-0.3cm deviation exist,hope you can understand. Description: - This double line trimmer head fits for gasoline brush cutter. - Vibration is small, wear well and durable. - Convenient to change, easy to install. - With high quality and durable performance. About color: There are slight difference between the picture and the real item caused by light brightness,hope you can understand.