Before the introduction of the euro, francs were also used in France, Belgium and Luxembourg, while Andorra and Monaco accepted the French franc as legal tender (Monegasque franc).
Inside the caliper is a brake pad, a small block of friction material backed with a metal plate. When you step on your brake pedal, pistons inside the caliper cause it to apply pressure to the brake pad which squeezes the rotor, causing the car to slow or stop.
A brake caliper is similar to a clamp which connects to your rotating brake rotor disc and applies the incorporated brake pads to slow the spinning rotor disc using friction. Our cars use Brake Calipers as a vital component to slowing and stopping your vehicle.