No need to shop around for the all of the parts when you can get them in a package deal! The 45050 is a complete rack system for vehicles with raised siderails that includes a pair of 50" steel load bars, lock cores, and the 450 Crossroad Feet. Totally innovative design that uses a metal-based rubber strap that contours to the features of your siderail. This rack is awesome for vehicles with factory installed raised side rails! Includes everything that you need to establish that base rack system on your vehicle. 4 Crossroad towers, 2 LB50" Load Bars, and a 4-pack of SKS locks!