L-COM Coaxial Barrel Adapter, Type N-Male / Male AXA-NMNM
DC Barrel Plug Conversion Adapter
ROCKBOARD Power Ace Converter - Barrel (2.1 x 5.5 mm) to 3.5 mm jack Cable de alimentación
Lapco Barrel Adapter Ion To A5 (Barrel Bushing Replacement) (BR-AD-IO-A5) - ANSgear.com
ROCKBOARD Power Ace Converter - Barrel (2.1 x 5.5 mm) to 3.5 mm jack Cable de alimentación
RockBoard Reverse Polarity Converter - Indy String Theory LLC
Psc Barrel Adapter from 48PH to 12T - Nagrit Srl
Archivo:Manhès-David barrel type converter.png - Wikipedia, la enciclopedia libre
Barrel Thread Converter / adapter 1/2" - 28 to 9/16"-24 Male, Steel. Black - tufforce
Amazon.com: Besmelody 10-Pack DC Power Converter Plug, 5.5mm x 2.1mm to 3.5mm x 1.35mm Tip Size AC/DC Adapter Barrel Plug Connector for Wall Chargers : Electronics
U.S. to METRIC- Barrel Adapter Thread Converter U.S. 5/8″ x 24 (female) to M15 x 1 RH (male) – SKU#088 – Hughes Precision LLC
Silencer adapter for non threaded barrel - 1/2 UNF or 1/2 UNEF