DC Power Plug Size Adapter, 2.5mm Male to 2.1mm FemalePI Manufacturing offers our DC power plug to convert to different inner diameters to provide the perfect fit to your power applications. Stable current of power is crucial to maintain optimal performance of your computer or security system, so use these adapters to help accomplish that goal. Features
Cancer and Reproductive Harm
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Adapts wellI found a bargain for an OPEN sign for my store but found out normal cords didn't work due to the pin size inside the female end for the power adapter. This was a perfect solution and saved me from spending $100+ for the same sign I originally purchased. This was a pretty good solution and the sign is lit. Thanks.