Product Description Detailed Specs Downloads Reviews/Questions Product Description RAM MOUNT, UNPKD RAM 3.68 DIA. BASE RAYMARINE Detailed Specs null null null null null null null null null null MFG Part Number RAM-240U-RM1 Product Type Accessory Downloads Reviews/Questions The Ram Mounts RAM-240U-RM1 is also known as RAM -RAM240URM1 or RAM240URM1