91720 The Co-Pilot - Hole Saw Adapter

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, Used for Wood, Plastic, & Drywall (Limitations Set by Hole Saw), Versatile Fit Works with all Arbors

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.