Torque wrench?

xpro
xpro Posts: 34
edited February 2013 in Workshop
I am a little out of touch with modern components, but I am building up a new bike at home. I notice some of the parts point out the importance of tightening them to a certain torque setting. Can anyone recomment a bike suitable torque wrench that would fit the various size allen heads?

Thanks in advance.
..........."And Pedro Delgado has sprouted wings!"............

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