Almost any tool store will sell them.
9mm Allen wrench
You need 3/8 Allen key.
9mm
9mm hex (allen) wrench to remove two bolts for the front cailpers on a 2006 Escape.
9mm on front 7mm on back
9mm hex socket bit
it is a 9mm but where to find one i couldn't tell u that
It's a 9mm hex. It is not a common size since most sets come with an 8mm and 10mn, skipping over the 9mm. It is NOT a 3/8" which is common on GM trucks
An allen wrench is sometimes referred to as a hex wrench or hex key.
At a hardware store, an Auto parts store, most lumber yards or at most discount or"dollar stores".
7mm Allen wrench
Front caliper: 9mm hex socket (special), Rear: T-45 Torx.