Gears are becoming a very popular item and these industrial gears designed by Tim Holtz for Idea-ology are sure to please. This package contains 4 different sized gears, one is a half gear and the others are full gears. They are constructed of metal with an antique nickel finish. They range in size from 1-1/2" in diameter to 3" in length. They have a wide variety of uses, including home decor, steampunk art, assemblage art.