Compatibility and fit - Broad compatibility: replacement pen works with AT3600, AT3600L, AT3601, AT3651, AT3650L, AT3650C, AT3650, AT3626, and is suitable for Technica AT LP60X, AT LP60XBT, AT LP60XBT USB turntables and more. Premium design for better playback - Premium tip and material: oval tip design made from hard artificial diamond, designed to fit deeper into the inner groove wall to capture the smallest details and deliver a full, multi-layered sound. Durable, precise construction - Carbon fiber needle rod: one-piece solid carbon fiber needle bar with two dynamic magnets; resistant to deformation and breakage, lightweight to reduce weight load and maintain accurate tracking of musical engravings. Easy installation - Simple replacement process: remove the old pin, hold the pen sideways, insert the tab into the slot at the bottom of the pickup, and turn the pen body upwards to ensure there is no gap between the pen top and the case head. Key benefits - Enhances tracking detail and sound quality on compatible turntables. - Durable construction with lightweight, flexible design for accurate groove following. - Wide compatibility with AT3600 family cartridges and Technica LP60X series turntables. - Straightforward, tool-free installation for quick replacement. Use scenarios - Home listening on a Technica AT LP60X or LP60XBT USB turntable to restore detailed, multi-layered playback on worn or aging styluses. - Upgrading sound quality for Technica AT LP60XBT USB setups, enabling deeper groove engagement and clearer detail across a wide range of records. - Replacing worn stylus on AT3600 family cartridges in compatible Technica turntables to maintain optimal performance during everyday vinyl playback.