JICO J44A-7-DJ-IMP Cartridge With N447-SD Synthetic Diamond Stylus Combo PackThe J44A-7 is a faithful reproduction of the long-discontinued Shure M44-7 turntable cartridge, prized by turntablists and club DJs for its superior performance for scratch techniques and its high volume output and long-lasting durability. Included is the JICO SD-N447 synthetic diamond stylus, made from a material comparable to diamond in terms of its functionality and durability, but available at a lower cost than real..