Welding Wire Type DC DC Power Plug DC-005 Power Connector $ 4.50 Product information: Model: Welding wire type DC plug Type: Plug/Socket Application range: LED Specifications: A: DC plug short 5.5-2.1 (10 pieces), B: DC plug long 5.5-2.1 (10 pieces), C: DC plug short 5.5-2.5 (10 pieces), D: DC plug long 5.5-2.5 ( 10)