The T-15 Torque Wrench allows a shooter to precisely tighten the torx style screws to Warnes recommend torque setting of 25 inch pounds. The simple break away design lets the operator know when the proper torque has been reached. Designed Warne bases and rings, this unit is a must have when installing or re-installing Warne mounting systems. Preset at 25in/lb. *Note- T-15 Torx bit non-interchangeable, not for use on aluminum receiver firearms.