The 6.3mm female to 3.5mm convertor plug is used to convert a male 3.5mm stereo plug to a female 6.3 stereo jack. The convertor is with gold plated connectors for improved electrical conductivity and no oxidation problems. With this plug、 you can convert a large 6.3mm male headphone stereo plug to a small 3.5mm male stereo plug.<br /><br /><br /><br /><br />     <br /> The 6.3mm female to 3.5mm convertor plug is used to convert a male 3.5mm stereo plug to a female 6.3 stereo jack. The convertor is with gold plated connectors for improved electrical conductivity and no oxidation problems. With this plug、 you can convert a large 6.3mm male headphone stereo plug to a small 3.5mm male stereo plug.<br /><br /><br /><br /><br />                                                                                                                                Dimensions: 2.05 in x 0.47 in x 0.47 in<br />Weight: 0.42 oz