20 x alloy wheel bolts + Locks Locking M12 x 1.5 17mm Hex Black for BMW 3 series
• Thread size: M12 x 1.5. What is M12 x 1.25?. • Spanner size: 17mm 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?.