This metal clock dial has an aluminum base and is 1/32" thick with a 3/8" center hole. This dial has a 4 1/2" outside diameter and a 4 1/8" time ring diameter. The numerals are black on a brushed brass background. Note: The dial may have a removable plastic coating which protects the surface during shipping, be sure to remove this before your project is complete. We recommend using our Black 1 7/8" Spade
or Black 1 3/4" Ornate
clock hands with this dial.