Off-center bolts/nuts are used to change the diameter of the wheel bolt circle by a maximum of 2.4 mm. Off-center bolts can be used to install, for example, 4x100 mm wheel bolts on a car with a bolt circle of 4x98 mm. Material: cold-stamped boron steel. ISO strength 10.9. Surface coating: galvanized - layer thickness 12μ. Made in Italy.