Updated to version 2 as of August 2020.
The Eezi-Awn K9 Roof Rack AluBox Mount is a secure way to mount your AluBox to your K9 Roof Rack System and save precious room inside your vehicle. The mount features two parallel rails that catch the base lip of an AluBox and a lockable hinge to secure it in place.Mount holds (1) AluBox; compatible sizes include 42L, 60L, 67L, 73L, 74L, 115L, and 120L.