If you are looking for precision, you need a torque wrench. Wheeler’s Digital F.A.T. Wrench will fit the bill. This digital handheld torque wrench applies repeatable, accurate torque settings to scope rings, bows, and other screws. The Digital F.A.T. Wrench has audible and visual indicators to let you know exactly when the desired torque setting has been achieved. Large range of 15-100 in/lbs Bits made from S2 Tool steel, hardened to 56-56 Rockwell "C" Large LCD Digital display Full set of bits included Wheeler’s Digital F.A.T. Wrench is a tool built to last and bring you a lifetime of precision shooting. Mfg: Wheeler Engineering