Stanton MP4 Groovemaster V3 Cartridges Professional, High-End Club Integrated Cartridges Elliptical Stylus For Enhanced Groove Tracing 4-Coil Pickup Increases Stereo Imaging While Providing High Output Perfect For Club Djs, Producers, Remixers & Night Clubs Includes 2 Matched Cartridges, Mounted On Tone-Arm Like Devices, Inside A Small & Practical Road-Worthy Clear "Flight-Case" Professional, high-end club integrated cartridges Elliptical stylus for enhanced groove tracing 4-coil pickup increases stereo imaging while providing high output Perfect for club DJs, producers, remixers and night clubs Includes 2 matched cartridges, mounted on tone-arm like devices, inside a small and practical road-worthy clear "flight-case"