The VM540ML/H combo kit includes the VM540ML MicroLine® dual moving magnet cartridge premounted on the AT-HS10BK universal 1/2"-mount headshell. The VM540ML MicroLine® stylus cartridge is the premier 500 Series model in Audio-Technica’s new VM cartridge line – a line that harks back to A-T’s early days as a manufacturer primarily of high-end phono cartridges, while also incorporating today’s advanced technology. VM dual magnet cartridge with MicroLine® stylus Aluminum cantilever Paratoroidal coils improve generating efficiency Center shield plate between the left and right channels reduces crosstalk Durable low-resonance polymer cartridge housing Universal ½"-mount headshell for 4-pin turntable cartridges