Stanton SKRATCHMASTER.V3 MP4 Skratchmaster V3 MP4 Cartridges Headshell-Mountable Cartridges Provide Great Stereo Imaging & The Ability To Re-Align The Cartridge On The Headshell For Improved Tracking Response Mp4 Package Includes 2 Matched Cartridges Mounted On Tone-Arm Devices Inside A Small & Practical Road-Worth "Flight Case" Includes 2 Spare Styli Perfect For Hip-Hop, Scratch & Club Djs, Record Shops & Beginner Djs 2 Pk Headshell-mountable cartridges provide great stereo imaging and the ability to re-align the cartridge on the headshell for improved tracking response MP4 package includes 2 matched cartridges mounted on tone-arm devices inside a small and practical road-worthy "flight case" Perfect for hip-hop/scratch/club DJs, record shops and beginner DJs Includes 2 spare styli 2 per pack