Fits gears and wheels up to 4" (100mm) in diameter.
The puller has a long bolt with a ball bearing tip on one end and on the other a hex grip which allows you to use either your hand or where it's tight a 17mm spanner or socket on the end.
Ranges from 50mm to 100mm.
Ball bearing tipped, fine threaded thrust screw.
Puller is reversible for both internal and external pulling.