I have this one, it comes with a certificate of calibration, and feels very nicely made- I've not checked it against a known torque source, so have trusted the factory calibration:
[ame="http://www.amazon.co.uk/Norbar-TruTorque-certificate-calibration-England/dp/B002ASZHAS/ref=sr_1_1?s=diy&ie=UTF8&qid=1335826037&sr=1-1"]Norbar TruTorque™ TT20 ¼" with certificate of calibration. Proudly made in England.: Amazon.co.uk: DIY & Tools[/ame]
@Dammit started
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I have this one, it comes with a certificate of calibration, and feels very nicely made- I've not checked it against a known torque source, so have trusted the factory calibration:
[ame="http://www.amazon.co.uk/Norbar-TruTorque-certificate-calibration-England/dp/B002ASZHAS/ref=sr_1_1?s=diy&ie=UTF8&qid=1335826037&sr=1-1"]Norbar TruTorque™ TT20 ¼" with certificate of calibration. Proudly made in England.: Amazon.co.uk: DIY & Tools[/ame]