Wheeler 4001001 F.A.T. Digital Wrench Black/Yellow Universal Firearm 12 Pieces Features Digital LCDWheelers Digital F. A. T. Wrench (Firearm Accurizing Torque) brings even more precise torque settings to the handheld torque wrench market. The digital handheld torque wrench lets you apply repeatable, accurate torque settings to your scope rings, bows and other screws. The audible and visual indicators let the user know exactly when the desired torque setting has been achieved. The large range of 15 100 in lbs. will aid in accuracy of all your screws