GearWrench  83600 Split Bearing Attachment Attachments are Used for the Removal of Bearings, Thin-Faced and Cone-Shaped Gears Beveled Edge Allows Insertion Behind Pulleys, Gears or Bearings Where Space Limits the Use of a Standard Puller Jaw Grip the Part to be Pulled, then Pull with a Gear Puller Screw Size: 3/8" -16