Gearbox Drive Shaft Gear Set For Stihl FS120 FS130 FS200 FS250 FS120R FS200R FS250R FS300 Trimmer Spare Part Notice: Suit for square type port For Stihl FS120 FS130 FS200 FS250 FS120R FS200R FS250R FS300 engine parts Replace OEM for 4130 642 0601 Package include 1 x Gearbox Drive Shaft Gear Set