Echo's professional grade .095" Cross-Fire Line comes in a 40 foot loop. The line fits all grass trimmers and has 8 times the cutting ability of other brands. This product is compatible with GT-225, GT-225i, GT-230, SRM-225i, SRM-225i, SRM-230, SRM-266, SRM-266S, SRM-266T, SRM-280, SRM-280S, SRM-280T, SRM-225U, SRM-266U, SRM-280U, SRM-410U. | ECHO 40' .095" Cross-Fire Line