Introduced in the late 19th century snubnosed revolvers such as the "Banker Special", "Sheriff's Model", and "Shopkeeper Special" versions of the Colt Single Action Army revolvers were made by Colt's Manufacturing Company. The Smith & Wesson Safety Hammerless models were produced from 1887 to just before World War II. They were chambered in either .32 S&W or .38 S&W with a 5-shot cylinder. They were most often produced with a 2-inch, 3-inch, or 3.5-inch barrels. These top-break revolvers were designed for fast reloading and concealed carry as the hammer was internal and would not snag on drawing the revolver from a pocket. They also had a grip safety. They were known as "The New Departure" to reflect the company's new approach to designing revolvers. The design of these revolvers sacrifices power and range for maneuverability and concealment. Similar "hammerless" designs proved popular with other manufacturers such as Iver Johnson and Harrington & Richardson. In 1952, Smith & Wesson introduced the more modern hand ejector model the Smith & Wesson Centennial Model 40.