1Clip Mount: 2?axis adjustment provides flexibility for mounting positions such as trunk lids, hatchbacks, vertical doors. Easy to disassemble, can be removed at any time, effectively prevent theft. 2Rotatable: Car antenna mount can rotate 180 degrees, avoid the forced contact between the antenna and the branches when moving fast, and cause great damage to the car. 3Premium Material: The Vhf/Uhf mobile antenna bracket is made of stainless steel material, high strength and super durable. 4Suggestion 1: The base and the body are in an insulated state, sometimes the vehicle will cause the antenna Vswr to change. Please ensure that the conduction between the base and the frame is completed. 5Suggestion 2: Sometimes the fixing screws will rust when they contact the body, causing damage to the body. Poor contact will cause changes in the performance of the antenna. Please do antirust treatment in advance.