- Kit includes hardw are for mounting to the Thor VM1 Smart Dock, VM1001VMCRADLE, or the Marathon vehicle dock, FX1005VMDOCK. - RAM ball size “D” (2.25 ̋/57 mm). - Kit includes a round base with a D (2.25 ̋/57 mm) RAM ball for the vehicle side mounting. Hardware for mounting the base to the vehicle is not included. This mount typically requires drilling holes in the vehicle