This set of 4 brackets/hardware allows you mount at Pelican Crate 90L box to a Thule Elite Van XT bike rack door frame. You will not be able to use it as a bike rack and a box mount. The Pelican box can be purchased at a number of online retailers, including Amazon. The Thule bike rack is often factory-installed on Thor, Road Master, and Airstream Promaster vans. Kit contains 4 pairs of inner and outer clamps, 8 each of stainless steel toggle bolts, washers and nylon locking nuts. The Pelican Crate model allows you to hinge on either the left or the right side, as well as full removal of the door, if needed. Kit also includes a #G drill bit.