2 PC Billet Wheel Adapters 1" Thickness Vehicle Bolt Pattern 5x100mm to Wheel Bolt Pattern 5x100mm CB 57.1MM Stud M12x1.5 A set of Two Aluminium Wheel Adapters Vehicle Bolt Pattern: 5x100mm Wheel Bolt Pattern: 5x100mm Thickness: 1" or 25mm CB: 57.1mm