I believe that would be a 1/2 inch wrench, but would it be too difficult to take 2-3 wrenches and try them fr size.
18 mm I think.
it takes a 7mm Allen wrench to remove calipers on 2003 ford focus.
3/8" Allen wrench
The T60 is the size needed to remove caliper bracket.
15 mm
I believe that will be a 7mm Allen key.
its not a hex,,,it`s a torx t30 i believe
I needed a Hex 9MM worked great
A 3/8 inch Allen key is used.
7mm Allen wrench
5/8 plug socket
It takes a T55 Torx bit on the front calipers.