[4 pcs] Hi End RCA Male Plug, Adapter Audio Phono, Gold Plated Solder Connector Wv-hfr4in1 [4 pcs] RCA Male Plug Adapter Audio Phono Gold Plated Solder Connector [WV-HFR4IN1] Size : 4.7cm/1.85inch Hole Diameter :6.4mm/0.25inch Top quality and made by environment-friendly material Simple packaging