Tim Holtz Idea-Ology - Metal Industrial Gears 1.5" To 3" 4 pack - Antique Nickel - Gears are becoming a very popular item and these industrial gears designed by Tim Holtz for Tim Holtz 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 and more.