Using this 6.35mm (1/4) stereo plug terminal block is a breeze. First, you can choose either stranded or solid core wire according to your needs. Then, grab a small screwdriver. Loosen the screws on the terminal block, insert the wire, and tighten the screws firmly. It's ideal for making custom wiring for your modular synth, amplifier, or electric guitar. As for maintenance, keep it clean and dry. Avoid exposing it to excessive moisture or extreme temperatures. If you notice any loose screws, simply tighten them up with the screwdriver. That's all there is to it!