Product Description Detailed Specs Downloads Reviews/Questions Product Description RAM MOUNT, UNPKD RAM 2-1/2" DIA. BASE 5/16"-18 HOLE Detailed Specs null null null null null null null null null null MFG Part Number RAM-202U-MT1 Product Type Accessory Downloads Reviews/Questions The Ram Mounts RAM-202U-MT1 is also known as RAM -RAM202UMT1 or RAM202UMT1