车载固定 RAM® Drill-Down Double Ball Mount with 1/4″-20 Stud – B Size Short The RAM-B-101-A-237U... 型号：RAM-B-101-A-237U
车载固定 RAM® Drill-Down Dashboard Ball Base with Backing Plate – C Size Meet your new go-to ... 型号：RAM-202-225-2U
