Originally Posted by
CardiacKid
The bolt keeps some pullers from reaching down to the nut. If you have a Park puller, it should not be a problem. Some of the cheaper ones (Spin Doctor) are too shallow.
fyi, the spin doctor puller has a piece you can remove on the tip of it with a small hex wrench. i remove it to pull cranks with bolts, then put it back on for normal use.