Ortofon Concorde Q.Bert Twin Pack - 2 x DJ Cartridges each fitted with stylus Styluses with anti-skipping and output of 11-12mV These Ortofon Q Bert turntable styli give you the ultimate scratching tool with supreme anti-skipping and output of 11-12mV These Ortofon Q Bert turntable styli give you the ultimate scratching tool with supreme anti-skipping and output of 11-12mV