I needed a Hex 9MM worked great
7mm Allen wrench
Torx are almost never used on calipers. I think you will find a 7mm Allen key is needed for that year Mercury. Hard to see as it is covered by a rubber cup.
It's time for scheduled maintenance. Consult the owners manual.
whatever one fits, some are torx..
9mm hex socket bit
3/8 in drive torx wrench.
it takes a 7mm Allen wrench to remove calipers on 2003 ford focus.
18 mm I think.
7mm
3/8" Allen wrench
The T60 is the size needed to remove caliper bracket.
That is a 3/8 Allen.