Giving car model and year helps us diagnose - Most pre-97 Pontiac used 15 mm bolts on calipers. After that, depends on model and year, 7mm Allen, 10 mm bolt or 15 mm bolt.
3/8" Allen wrench
7mm Allen wrench
3/8"
A 3/8 Allen key.
In order to determine the size brake line for a 1990 Ford T F 150, you will need to know the size of your drum wheel cylinders. You also will need to know what kind of disc calipers you have.
9mm
7mm
It is a 5/8
You need 3/8 Allen key.
Its actually a torex head you need... not sure of size yet. Its a T-50 Torex.
# 55
Ford bolt 2n386 is the bolt for holding down the brake calipers.