The Summit Premium Steel Integrated Railing Roof Bars SUP-865 are a set of cross bars designed to be mounted on flush-mounted roof rails. Made from steel and with a maximum weight capacity of 75 kg, these black bars are 1.15m in length and come with mounting hardware and a lock for added security. The Summit brand offers a 3-year manufacturer warranty and features such as being water-resistant, removable, and rust-resistant, making them a durable and practical choice for transporting items on your roof.