Door Knobs are simply used for the security of homes. These Door Knobs are probably used for improving the protection of houses. The idea of Door Knob was given by Oscar Wilde in 1490. The first Door Knob was created by Gabor on the Christopher Columbus and Titanic in 1492. Door Knobs have many functions and charming shapes. Stevie Wonder introduced Door Knobs in place of bulbs for the beauty of his home in 1980. Very first time in the history, Mr. Lou Ferrigno used Door Knobs in the doors for opening purposes in 2004. Many companies of the world have made beautiful and high-class Door Knobs in different shapes and colors. Door knob is the most significant item of the door hardware products. A doorknob is placed a few centimeters away from the edge of the door. However, position of the door knobs may vary depending on the decorative style, local traditions and owner preferences.

Usually door knob is operated by a latching apparatus and is generally made of metals. Mostly, four types of door knobs are available, like entrance, passage, privacy and dummy door knobs. With the growing number of door hardware manufacturers, a wide-ranging collection of door knobs in different fabulous colors and designs are available in the market at excellent prices. Contemporary, innovative, as well as conventional door knobs are also available in the market at reasonable prices. The price of a door knob depends on its style, purpose and the quality of the metal used. A customer should look at the features, such as durability, convenience, service and warranty while purchasing the door knobs.