91720 The Co-Pilot - Hole Saw Adaptor

Tired of your pilot bit dancing around inside an existing hole you are trying to expand upon? The Co-Pilot bit allows you to stack two hole saws on top of each other utilizing the smaller hole saw as the pilot bit it slips perfectly into the existing hole.

Mfg Note: Please note the hole saws pictured in the second image are not included with the Co-Pilot.