Top quality turntable headshell that is ready to plug into most S-shaped or straight tonearms. You can be up and spinning in moments. If you have an empty round socket at the end of your tonearm then you can just get this headshell. It will just plug right into the round tonearm socket as you rotate the locking collar. Size : 8 mm diameter x 12 mm length Plated 4-pin contacts Four colour-coded OFC (oxygen free copper) soft leadwire with gold plated terminal Every terminal inside a color sleeve.