Check the listing for details. RAM Vertical Drill-Down Vehicle Base with Lower RAM Tele-Pole RAM-VB-184T. Color: Black, Condition: New, Made in United States. Listed at 49.49 USD. Features: ---RAM Vertical Drill-Down Vehicle Base - Attaches to tubing framed seats up to 1.5"(outer diameter) or to any flat surface* ---Installs in minutes with no drilling required for many applications ---Using the supplied u-bolt hardware, attach any number of RAM pedestal mounts to create a mounting system unmatched in its versatility and stability ---Heavy duty - Constructed of powder coated steel ---Weight: 4 lbs. ---Made in the USA Included Hardware: ---(2) 1/4"-20 x 3.375" U-Bolts ---(4) 1/4"-20 Nylock Nuts ---(4) 1/4" Flat Washers * Multiple hole patterns are available but drilling may be required in the mounting surface if attaching to an enclosed box frame or solid panel. In some applications additional, installer supplied, hardware may be needed.