The STEELCLUB® Hosel Boring Fixture features a T-Handle Brass Jaw that protects club finish and aligns hosel vertically. Precision machined to use with both irons and metal woods. Clamps to a drill press table with a C-Clamp. Works great on hard to remove broken shafts. Bore out taper tip hosel to parallel tip. It is recommend the use of 8.6 mm, 8.9 mm, 9.4 mm and Letter Z drill bits for parallel tip hosels.