This is a 9-pack of Allen Tel AT66C-00 Black CAT 6 Coupler Keystone 93S9 E131692. These couplers are designed to connect two CAT 6 cables together and are suitable for use in networking applications. They are compatible with Allen Tel brand products and have a sleek black color. Each coupler measures 7 inches in height, length, and width, making them compact and easy to install. The connectors on both ends are CAT 6, ensuring a reliable and high-speed connection. The material used in these couplers is of high quality, making them durable and long-lasting.