Multi-functional tap and switch set for audio equipment. National Korokoro Black Series Audio-only equipment - Model: WH2913-4-1 - Model: WH2050-4-1 - Model: WH2020-4-1 - Function: Audio switch - Function: U-shaped tap - Function: 2-outlet tap Although old, these are new. I hope they catch the eye of those who are particular about audio. The box looks good in the photo (unedited), but it's a bit more faded in reality.