T HANDLE HEX - Protanium high torque steel with proguard corrosion resistant steel. 20% stronger than standard steel. Cushion grip. Bondhus Individual Internal Hex (Allen) T Handle Wrench. This wrench is a 3/16" and is 6 " long. This particular style is a normal hex; NOT a ball hex. And just like all Bondhus Tools, Guaranteed For Life.