Buzzetti alternator rotor puller M19x1.0 right-handed thread. Required for working on the alternator and underlying parts as well as changing crankshafts and bearings. The puller is screwed into the rotor and pulls using a tension screw. Rotors that don`t come unstuck can be eased along with light hammer blows to the tension screw. Warning: be sure to check the thread specification of the rotor before ordering.