The snap-on TQR series and the electronic ones from them as well. I think they are top of the line, few torque wrenches are better, if any.
If you search for a TQR250 thats a 1/2" drive. Check the catalog or snap-on website for more models.

Grigg


•1951 GMC 250 in the Project Journals
•1948 Chevrolet 6400 - Detroit Diesel 4-53T - Roadranger 10 speed overdrive - 4 wheel disc brakes
•1952 Chevrolet 3800 pickup
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"First, get a clear notion of what you desire to accomplish, and then in all probability you will succeed in doing it..." -Henry Maudslay-