10pcs/lot 4 pole 3.5mm plug male headphone jack 3.5 mm audio connector for 4mm cable adapter

3.5mm stereo 4 pole shell end of hole diameter, accepts up to a 4mm diameter cord (great for studio headphones with thicker cords) you can use this headphone jack soldering tool to make any 3.5mm 4 pole connector cable by yourself, then you can repair your favorite headphones. solid metal construction gold plated contacts soldering type.use for microphone plug, earphone plug, audio video av pc a handy adapter to convert your smartphone headset microphone to fit your computer pc / lap dslr cameras and digital sound recorders..syi