Wheel Simulators for Truck's Van's RV's (Pack of 4) 16 Inch Snap On, 304L Stainless Steel Hub-Caps Please refer to Amazon's fitment tool to find your car's year, make and model design style and to ensure a right fit for your wheels. Snap On with Spring Steel Retention Clips are Designed for Secure & Tight Fit. 16X6 Fits Original or Aftermarket Steel Dually Rims - To Install Simply Snap Right Onto Your Wheel. 8 Lug with 4 Hand Holes - Be sure you have 16 inch 8-lug/4-hole Dually Steel Wheels. Pack of 4 Includes: (2 Front Dome & 2 Rear Deep Dish) 304L Polished Stainless Steel Skins.