What main features can I expect to find on petrol curved shaft grass trimmers?

•  Reliable and powerful, 2-stroke or 4-stroke engine from 22cc up to around 30cc

•  Lightweight and well balanced

•  Loop or ‘D’ shaped handle on shaft for more comfort and better control

•  Easy to operate and manoeuvre 

•  Decent cutting diameter from around 21cm or more

•  Easy line spool replacement

•  Fewer emissions

•  Easy to use recoil start

•  Easy line-feed system