Material Chrome or Brass Plated Steel Unit & Package Sold by each, color plastic bag Chrome Plated Steel Brass Plated Steel I.D. Height Description 20090 20091 8" 4-5/8" 8-1/2" dia. axle, 8 of 5/8" studs, also fits "Peterbilt" 1995 up 20100 20101 8-1/4" 4-5/8" 8-1/2" dia. axle, 8 of 3/4" studs Part No. & Image Selection Rear Hub Caps in Full Moon Shape Part No.: -- Please Select -- 20090 20091 20100 20101 Combination of product variants is not available Related Products Front Hub Cap Clip Set Cat’s Eye Headlight Covers 14″ Stainless Steel Anti-Sail Plates Skull Tire Valve Stem Covers Aluminum Reflector Top Plates w/ DOT-C2 Conspicuity Tape Classic 4-Hole License Plate Frames