There are many different types of screws and screwdrivers, each with its own characteristics and advantages. Learn about the Phillips head screwdriver in this article.
Metal locks come in a variety of shapes, sizes and are made of various materials. Some locks have the words "Case Hardened" stamped on it. What does "Case Hardened" mean? See more »
A number of tools, like wrenches and C-clamps, have the words "Drop Forged" stamped on the handle. What does that mean? Find out with the help of this article. See more »