Now you can wrap leader wire into clean, even twists, just like the pros, with the Haywire Twist Tool. Use this tool to rig Tooth Proof #3 through #14, and other single strand stainless wire diameters 0.012 in. (0.30 mm.) to 0.033 in. (0.85 mm.) Note: not for use with Titanium Tooth Proof.