Solderless DC 5.5mm x 2.1mm Connectors for Kurrent Electric Solderless Guitar Cable These connectors are ideal for creating custom-length DC power patch cables for use with guitar effects pedals and a variety of power supplies. Designed specifically for Kurrent Electric Solderless Guitar Cable (sold separately), they ensure a reliable and easy connection. These connectors are compatible with our Kurrent Electric Cable, which is the same cable used in our 1/4" Solderless Patch Cable Connector Kits (also sold separately). If you've previously purchased one of our 1/4" connector kits and have leftover cable, you can use it with these DC connectors. Note: For optimal performance, use only Kurrent Electric Brand Solderless Cable. Using other brands of cable may lead to poor performance and inconsistent results.