Wheeler Accurizing Torque Wrench – Amazon (1/4″ hex torque wrench) $32.62

Cheaper than the previous appearance on slick deals, and within a dollar from cheapest ever according to ccc.
The Wheeler Engineering F.A.T. Wrench is a hand driven, click/clutch system torque wrench that is very useful in apply the necessary torque to most firearms and firearm accessory fasteners. The F.A.T. Wrench features an ergonomic handle, a standard 1/4" hex drive tip, and can be used to apply torque from 10 to 65 in-lbs at 5 in-lbs increments. Common uses include; but are not limited to; instillation of scope rings and base screws, action screws and trigger guard screws. With proper care and use, the F.A.T. Wrench will provide you with a lifetime of reliable service. Package includes 9 bits and a square drive adapter.
https://www.amazon.com/dp/B0012AXR4S/