A HGV 24mm bi-hex (12 point) brakecaliper slogging style spanner with 1/2" drive square for tightening with a torque wrench. Other available sizes include: 20mm Bi-Hex (Part No. 9141), 26mm Bi-hex (7641), 26mm hex (7342), 18mm (9136), 21mm (8538), 22mm (7340), 24mm (7341), 27mm (7343), 30mm (8537), E18 (8341), E20 (8342), E24 (8343).
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