The Seco-Larm SD-998C-D3AQ is a 1/2″ surface-mount electric rim strike designed for commercial doors. Made of stainless steel, this electric rim strike is durable and designed to last. With dimensions of 9 inches in height, 1.75 inches in length, and 1.5 inches in width, this product is the perfect fit for various commercial applications. The Seco-Larm brand ensures quality and reliability, making this electric rim strike a valuable addition to any commercial door hardware setup.