I purchased the previous generation of the
Mastercraft Maximum (1/2") torque wrench from Canadian Tire. 7 years and still going strong. It has a lifetime mfg's warranty.
You'll also need a
Mastercraft Maximum (1/2") 17mm deep drive socket as some have suggested.
You can purchase the lower grade tools to save a few bucks but I figured that you only purchase these parts once for the life of any car so why cheap out.
BTW I torque my bolts to 85 ft-lbs and never had an issue. Don't forget to retighten the bolts on new bolts after the first couple hundred km as new bolts do stretch.