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.

Enlarge an existing hole while keeping the hole saw centred
Versatile fit works with all arbours
Can be used for wood, plastic, and drywall (limitations set by hole
saw)
Small enough to fit in most hole saw kits
Accompany with the dust bowl for a mess free result