M12x1.5 Alloy Wheel Bolts Black 17mm Hex Set – Fits BMW 3 Series (Pack of 16)
• 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?. • Bolt material: 10.9 grade Heat treated carbon alloy steel.