Make refilling your trimmer convenient with this Speed-Feed 400 Universal Trimmer Head. In three easy steps, it reloads in less than 30 seconds. The universal fit makes it compatible with many trimmer brands. For more versatility, it accepts up to 20 ft. of 0.095 in. lines.. Compatible with all ECHO SRM trimmer models. Universal fit for other brands such as Stihl, Husqvarna and more. Rapid reload under 30 seconds with 3 steps and no disassembly. Features: No Additional Features. Fits Brands: ECHO. Fits Models: All ECHO Trimmers and other brand trimmer models. Trimmer Part Type: Bump Feed Trimmer Head. Product Width (in.): 6 in