Ex-Pro 3.5mm Female Stereo (Small Jack) to 6.35mm Male Stereo Adapter (Big Jack)

The stereo adapter is for converting a 6.35mm port to standard 3.5mm stereo port or vice versa. These type of connectors can also be referred to TRS or Tip Ring Sleeve. 3.5mm Female to 6.35 Male Jack (Coverts small to Big Jack)