Item Type: Throttle Trigger_x000D_ Material: Plastic_x000D_ Product Size: Approx.7.5x4x2.8cm/3.0x1.6x1.1in_x000D_ Weight: Approx.12g/0.4oz_x000D_ Part Number: 4140-180-1500_x000D_ Suitable: Fit for FS38 FS45 FS46 FS55 FS55R etc. 1Made of high quality plastic materials, it is not easy to damage and has a long service life. 2Reliable garden tool trimmer replacement accessories, high reliability and easy to use. 3Easy to install and replace, the old one can be replaced directly, which can extend the life of the machine. 4The plastic material has the characteristics of wear resistance and durability, without frequent replacement, and more convenient to use. 5Suitable for FS38 FS45 FS46 FS55 FS55R and other models, please pay attention to the model when purchasing.1 xThrottle Trigger