LP Gear CARBON FIDELITY CFN3600LE stylus Replacement stylus for LP Gear CF3600LE cartridge & Upgrade stylus for AT3600 cartridge and its many models and variants Carbon fiber technology for higher fidelity Diamond tip r/R radii: 8 x 18 m (.0003 x .0007 inch) Multidimensional and refreshingly crystal clean sound quality that will confound cartridges up to 8 times its price. Genuine, unsurpassed LP GEAR stylus designed with and manufactured by Audio-Technica