9mm hex key front and 7mm rear
Try Sears, Napa, Snapon, or my favorite Matco.
Front caliper: 9mm hex socket (special), Rear: T-45 Torx.
9mm hex
On most 2006 Expeditions, the front calipers use a 9MM hex bit while the rear calipers use a 7MM hex bit. 9mm hex bits are not easy to find as singles and will usually only be found as part of large metric hex bit sets. .
A regular hex key, or a hex socket with a ratchet.
Fiochi
I have the Key, But use a Bike Key for a Schwinn Bike with Hex nuts (12.99) It's a Y shape, and has 3 of the sizes needed. Try any better bicycle shop for this key. I think they call it a hex wrench or Service Wrench (Although it's NOT a wrench) Better yet go to your local sears and buy a hex set that will fit onto your cordless drill it takes them off and puts them off 10Xfaster.
The size is 9mm hex. It needs to be long enough to reach the recessed caliper bolt.
No, the hex key for fitting it is part of the saw.
9mm hex socket bit
A hex key or an allen key