Features Parts Number: The Part Replacement Number Is 4134 120 0651, Which Can Directly Replace An Old Or Damaged Carburetor. Applicable Model: This Carburetor Is Suitable for Stihl Fs120 Fs200 Fs250 Fs300 Fs350 Fr350 Fr450 Trimmers, Has Good Compatibility. Die Cast Aluminum: The Carburetor Is Made of Die Cast Aluminum Material, with Anodized Surface, High Hardness And Wear Resistance. Easy to Install: This Trimmer Carburetor Has A Standard Size with Clear Threads, Which Is Easy to Install And Replace. Compact Size: The Carburetor Is Compact, Easy to Install And Takes up No Space, And Will Not Damage The Trimmer. Specification: Item Type: Carburetor Material: Die Cast Aluminum Surface Treatment: Surface Anodized Applicable Model: For Stihl FS120 FS200 FS250 FS300 FS350 FR350 FR450 Trimmer Package List: 1 x Carburetor Note: Please match the appropriate model before use Package List 1 x Carburetor