CESS 6.35mm 1/4 Inch Stereo Male Metal Connector with Spring Strain Relief Plug Coax Audio Mic Solder Adapter (jcx) (10 Pack) Widely used in home, KTV, or other places where use the audio devices Solder type with 3 electrical contacts - Common, Left and Right 6.35mm male plug headphone audio connector, soldering type, alloy construction, spring strain relief These rugged connectors are made from durable materials, and are meant to stand up in the field even under the harshest conditions Compatible cable/wire size up to 6.7mm