Fast and Stable Transmission: Real 18 AWG are heavier wire than other common 22 AWG pigtails because of 41 pcs 0.16 mm brass tin plating strands. Red / Black Color coded power cords have total 82 pcs 0.16 mm strands inside them! 18AWG DC power pigtail cable provides a more safer DIY solution for DC power connectivity, work with a power adapter or a power supply box! | Robust Construction of Power Cord Sockets: Constructed from high-quality zinc alloy metal, these 5.5mm x 2.1mm dc power jack sockets offer exceptional fluidity and stability. Their nickel-plated metal housing ensures good electrical conductivity and oxidation resistance, guaranteeing a secure and reliable connection every time. The pigtail connector cable is 20cm/7.9inch! | Plug and Play and Easy to Use: Whether you're melting and soldering or simply mounting the connectors onto your panel (Mounting hole diameter is 11mm), the 5.5 x 2.1 mm DC barrel connectors are designed for ease of use. Their DC connector threaded female panel mount design ensures a secure fit, while the included dust caps and gaskets provide added protection against dust and debris. | Versatile Compatibility: They barrel plug is compatible with all CCTV surveillance security camera system and other 5.5mm*2.1 DC power devices like part lighting or led strips. Whether you're working on electronics projects, repairing appliances, or setting up custom power solutions, these 5.5x2.1mm dc plug is sure to meet your needs. Great for using on your custom audio projects, very sturdy wire and plug. | Package Contents: Each pack includes 5Pcs 5.5x2.1 mm DC power supply female panel mount barrel jack connectors, and 5Pcs sets of dust caps and gaskets, providing everything you need to secure your power connections .Very practical panel-mount DC power jack for DIY projects since they can really make powering your project much cleaner and adaptable for standard power supplies!