Car wheel closed nuts inc locking nuts. M12 x 1.5 19mm Hex Tapered Seats x 20
•Thread size: M12 x 1.5. What is M12 x 1.5?. •Spanner size: 19mm Hex. The Hex refers to the size of the nut/bolt head and therefore the corresponding size of the socket used with the wheel brace. What is Hex?.