Hub caps are Made for USA, Canada, Central America market Good quality, Precise size, Competitive price Hub caps are Made for many customer, and get good reputation1. Description: Thread 6-1/4in - 8 thd, Diameter 6-7/8 in, eight 2-516In2. Material: Aluminum, or aluminum alloy.3. Market: USA, Canada, Central America market, Australia, Russia, some asian country.