Description
Genuine Echo SF500 Speed Feed Trimmer Head the following models :-
- SRM3021TES, SRM3611T
- SRM420ES, SRM420ES-LW, SRM420TES
- SRM520ES
- BCLS520ES
- RM520ES, RM3020T
Echo patented revolutionary Speed-Feed trimmer heads take the hassle out of refilling your trimmer head and are the easiest loading tap-to-advance heads available. In fact the Speed-Feed reloads in under 30 seconds with just 3 easy steps, all without taking the head apart. SF500 is perfectly balanced for vibration free operation.
Maximum Line Diameter : 3.3mm Ideal for Engine sizes from 30cc to 50cc 2 x Adaptors included : M10 x 1.25LHF & M12 x 1.75LHF
