Holmgillick Speed-Feed 450 Trimmer Head 2 Pack Fits Echo SRM-266 SRM-280 | Replacement weed eater head fits SRM266 SRM-266S SRM-266T SRM-266U and replaces 99944200903 X047000940 for straight shaft

PERFECT FIT. Replaces 99944200903, X047000940. Compatible with Echo SRM-266, SRM-266S, SRM-266T, SRM-266U, SRM-280, SRM-280S, SRM-280T String Trimmer. Fits for SRM-266U 25.4cc Straight Shaft

Fits for SRM-266U 25.4cc Straight Shaft Trimmer/Brushcutter; SRM-266S (T42211001001-T42211999999), SRM-266S (T42312001001-T42312999999), SRM-266S (T43313001001-T43313999999) Steel Drive Shaft Trimmer

WIDE COMPATIBILITY. Fits for SRM-266T (T42411001001-T42411999999), SRM-266T (T42512001001-T42512999999), SRM-266T (T43413001001-T43413999999) High Torque Trimmer; SRM-266U (T42712001001 - T42712999999), SRM-266U (T43513001001 - T43513999999) Straight Shaft Trimmer / Brushcutter

Replaces OEM. SRM-266 trimmer head replaces echo 99944200903 X047000940;Shindaiwa 28820-08000, 78890-21001, X047000580; 55-265;385-288, it can be reloaded without disassembly in 30 seconds or less

FIX YOUR BROKEN TRIMMER. Our 99944200903 Trimmer Head will fix the most common problems of your trimmer such as stuck trimmer head, the trimmer does not spin, or the threads stripping. These are signs that your trimmer head needs changing and our product is exactly what you needSpeed-Feed Design: With its straight shaft design, this speed-feed 450 trimmer head provides optimal maneuverability and control, it allows you to easily trim along fences, edges, and other hard-to-reach areas