Replacement and spare valve caps.
Prevents tire cores from getting dirty.
Complements wheel design.
Screw standard: JIS D 4207 (Automobile tire screw 8V1)
Size: Hexagonal width across sides approximately 10 mm x 11 mm.
Material: Brass (black nickel plated)
Price is for a set of 4.

Instructions/Precautions: 
1. Turn the original valve cap counterclockwise. 
2. Turn this product clockwise to lock.