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1/4" beam type (pointer -- old school) torque wrench. Beam types don't have any particular wear, just watch the pointer and don't let it drag across anything. Also, as you use extensions, you lower the actual torque reading due to the torque and bend taken up in the extension (some extensions are even designed this way to work with impact wrenches -- the colored units used at a lot of tire shops). Barring a beam type, others with the crank and click kind LAST. Why? When is the last time you heard of anyone getting a torque wrench calibrated? Clickers depend on springs and ramped settings. Less tech, more accuracy. Most equipment has a problem with the extremes of its range, so don't think that the 10 Nm setting will be very close. And it's the smaller nuts and bolts that matter most (way easier to over torque and strip/break something). Look around and see what's on the web 9ebay as well). you might be surprised what a little surfing and watching will bring.
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Yee-haaaaa!
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