Specification: Item Type: DC Power Plug Material: Brass Maximum Wire Diameter: Approx. 8.4mm/0.3in DC Plug: Approx. 5.5 x 2.5mm/0.2 x 0.1in Conductor: 24K Gold Plated Shell: Chrome Plated Insulation: PTEF Rated Value: 12V 0.5A Connection Method: Welding or Screw Locking Scope of Application: for Professional Sound Equipment Package List:1 x DC Connector1 x Hex Wrench Note:Please allow some errors due to manual measurement. MULTIPURPOSE: The DC connectors are used in new DC cable constructions, or as a DC plug replacement for AC DC adapters, etc. SHELL MATERIAL: The shell of the DC power plug is brass chrome plated, which is beautiful in appearance and durable. EXQUISITE CRAFTSMANSHIP: The conductive pins of this DC power connector are 24K gold non nickel and non magnetic plated. BRASS MATERIAL: The DC connectors are made of high quality brass, RoHS compliant, and the size is 5.5 x 2.5mm. 8.4mm DIAMETER: Large cable entry diameter of 8.4mm to accommodate larger outer diameter cables. Screw lock to crimp the cable or solder. MULTIPURPOSE: The DC connectors are used in new DC cable constructions, or as a DC plug replacement for AC DC adapters, etc. SHELL MATERIAL: The shell of the DC power plug is brass chrome plated, which is beautiful in appearance and durable. EXQUISITE CRAFTSMANSHIP: The conductive pins of this DC power connector are 24K gold non nickel and non magnetic plated. BRASS MATERIAL: The DC connectors are made of high quality brass, RoHS compliant, and the size is 5.5 x 2.5mm. 8.4mm DIAMETER: Large cable entry diameter of 8.4mm to accommodate larger outer diameter cables. Screw lock to crimp the cable or solder.