The OP should just spend the £6 and buy his own. You'll need to buy tools one day.
http://www.wiggle.co.uk/p/cycle/7/LifeLine_Chainring_Nut_Tool/5360031521/
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The OP should just spend the £6 and buy his own. You'll need to buy tools one day.
http://www.wiggle.co.uk/p/cycle/7/LifeLine_Chainring_Nut_Tool/5360031521/