3/16" Hex Thin Wall Nut Driver; Integrated magnet holds the screw securely in place; Machined from Solid Steel Bar Stock; Works with any standard 1/4" bit driver; For best results, pair with 6 in/lb torque limiter (10 in/lbs max torque); Integrates perfectly with Fix It Sticks Replaceable Edition and T-Way Wrench for field / travel use; Fix It Sticks Not Included; Punch is sized to ensure easy removal of all Glock Pins by hand