This listing is for (4) Custom Wheel Center Caps that fit: Eagle Alloys American Eagle Wheel Part Number: ACC 3108 06 x 2 and ACC 3109 06 x 2 Diameter: Approximate 5.125" Shaft Base Approximate 8.5" Flange Base Height: 2" and 5.75" Material: Metal Finish: Chrome Condition: NEW IT IS IMPORTANT TO NOTE THAT THIS CAP ONLY FITS 8x6.5 AND 8x170 BOLT PATTERN DUALLY WHEELS THAT REQUIRE FLANGE TYPE CAPS AND MAG SEAT OR FLAT SEAT LUG NUTS