Is it a curved shaft or straight shaft?
Is it petrol or electric?
Rule of thumb is: If it's straight shaft petrol then it can be converted to take a blade or use line (doemstic machines only) up to 2.4mm diameter.
If it's curved shaft, then it's nylon line only up to 2.00mm
If it's electric then nylon line only up to 2.00mm with a good compromise being 1.7mm
Remember- if you have an under powered machine and the line keeps snapping( assuming you have fitted the correct RECOMMENDED diameter line) don't try to beef the line up or sure as eggs is eggs the cutting resistance will transfer to the drive shaft and clutch and either one or both will fail. if the line keeps breaking before it's doing it's job, then the machine has got to the maximum of its performance
pleasant
February 2009