Audio-Technica cable stabilizer. Although it's an old product, I think it works well. There are scratches, but I don't think it affects the performance. I think it's a pioneer in cable insulators. Thank you. #AudioTechnica #AudioAccessories #AcousticRevive #Cable #CableInsulator #CableStabilizer #Zonotone #Accuphase #Luxman #Denon #Marantz #Yamaha