All of our round metal clock dials are out of aluminum. Each dial is printed with epoxy based inks then baked to produce a long lasting durable finish. All of our metal dials have a protective plastic coating which should be removed before use.
To determine the correct size of clock hands for each clock dial, take the overall size and subtract 1/2". Divide this number in half to get the correct length. For example: a 6" dial has about 1/2" of border. 6" - 1/2" = 5-1/2", 5-1/2" ÷ 2 = 2-3/4". Your clock hands need to be about 2-3/4" long.