CTA Tools 8089 Alternator Pulley Socket Designed to Service Free-Wheel Pulleys Engineered for use on Vehicle Models Equipped with Bosch Alternators Featuring Hex End that Allows for Easy Turning Includes a 33-Spline End that Engages the Pulley Locking Bolt Crafted foe use with both the Long 12-Point XZN or Torx Wrenches