I read a review on torque wrenches by a uk magazine a while back, sure the Halfords one was top rated.

I've got a few bits of Halfords pro tools and get a ribbing sometimes from my work mate but as I tell him, the halfords employees aren't making them out the back of the shop!

I actually have one of their 3/8" torque wrenches and it's a lovely bit of kit. To me it looks like it's made by Beta.