Built for Warne by California Torque Products this tool allows the shooter to precisely tighten the � hex nut to the proper torque setting of 65 in/lb which is indicated when the red light is lite up and an audible beep has been heard. This tool is a must have when installing Warne�s MSR and Tactical Mounts. - �� socket - Preset at 65 in/lb - Audible beep and red light illuminated when proper torque is met