... :3mm-4mm, 2.Material:CCS,CCA or CU 3.assembly and molding 3.5 male to female cable with bulkhead for plate with screw ... plugs and jacks ,splitters, matching transformers,RCA plugs and jacks, Phone plugs and jacks,DC plugs,AC plugs ,AC sockers ,AC ... from you. Hoping to get mutual benefit together with you. 3.5 male to female cable bulkhead for plate with screw