I use some plastic tools just fine, but balling tools I only use metal, much prefer them.
I have used these in the past. http://www.rainbowsugarcraft.co.uk/Metal+Ball+Tools/0_CAAA833_CAAA666/PRAE372.htm
But now prefer this one, I use nothing else. http://www.thecakeguru.co.uk/product/large-metal-ball-tool-2/
You must never limit your challenges, instead you must challenge your limits
