This chrome plated rear hub cap has a 7.25" (18.42cm) inside diameter with a 1" (2.54cm) depth and a rounded dome shape and a chrome plated construction. The stud for an 8" cap will measure 1/2"shape. Bulk, no packaging. 7.25" (18.42cm) Inside Diameter 1" (2.54cm) Depth The Stud for an 8" Cap will Measure 1/2" Chrome Plated Construction Rounded Dome Shape Bulk Packaged - No Retail Box MODEL NO - RPRHC714