This is a Callaway torque wrench, specifically designed for adjusting the OptiFit hosel on Callaway drivers, fairway woods, and hybrids. It’s used to loosen and tighten the screw on the hosel where the clubhead attaches to the shaft.


Features:

• T-handle for easy grip and turning.

• Torque-limiting mechanism: It clicks when the proper tightness is reached, ensuring you don’t overtighten and damage the club.

• Compatible with Callaway adjustable clubs, including the one shown in your first image.