Question: what tools do you need to change back brakes?
Answer: Disposable mechanic's gloves to protect your hands and keep them clean.
Jack and jack stands.
Lug wrench.
C-clamp or length of wood to retract the piston.
Wrench (choose a socket, open end or adjustable wrench)
Turkey baster for drawing out brake fluid.
Plastic tie, bungee cord or piece of string.