From the dropped torque wrench thread , Beam torque wrenches do have merit
and there are many more sources for 1/4" drive beam torque & Klicker torque wrenches .
British Cycle blog went for Bike company sources .
collect all 3 ..3/8" takes up where the 1/4" leaves off , 1/2" after that. (pegged the beam on a 3/8 for BB external cups and called it Good.