These sprung variable overlay self closing cabinet hinges are used extensively in the fitting of cabinet doors. Often referred to a Amerock hinges. Variable overlay hinges have one hinge leaf that is visible when the door is closed and the other leaf wraps around the back of the door and is not visible when the door is closed. Used in many domestic and commercial applications. They are tough hinges and are designed to withstand normal wear and tear of busy working conditions. The necessary fixings are included