Shindaiwa 78890-30000 Speed-Feed 400 Universal Bump Feed Trimmer Head New & improved Speed-Feed 400 replaces Speed-Feed 375; Replaces 78890-11000, 78890-18001 (For Echo, You may need to order Shield p/n C550000032) and 78890-18000 Universal model, includes adapters to fit both straight-shaft & curved shaft trimmers Fits most premium trimmer brands including Echo, Honda, Husqvarna, Maruyama, RedMax, Shindaiwa, Stihl Holds 20' of .095" trimmer line. Accepts up to .105" line thickness. Genuine OEM Shindaiwa Part