BQLZR Gold Plated 1/8 3.5mm Female to 6.5mm 1/4 Male Headphone Stereo Audio Jack Adapter Plug Pack of 10 Connects to threaded and non-threaded cables. Gold plated for better signal transfer. NoteThis adapter will have a little loss of sound quality after conversion. Allows plugging a 3.5mm (1/8 inch) stereo audio plug into a 1/4 inch female jack Size:45 x 10mm/1.77 x 0.39"(L x Dia)