Easy to install: simply fix the cartridge player with this needle that is easy to install and replace, no need for extra tools, scratch-resistant Vibration: when the frequency is 1 KHZ and the sound tank's vibration speed V in L- or R-direction is 3.54 cm/s or the lateral sound tank's vibration speed is 5 cm/s, the vibration is within the specified value (250 mv +/-4DB)/ (200-300mv) Comprehensive packaging protection: the pen is made of plastic that is durable; uses hard plastic packaging to protect the pen and maintain quality, suitable for multiple cartridge players such as Capehart, ION, etc. Vibrating color matching: our cartridge player needle is designed in red and black colors, looking classic and elegant but also having a trendy feel, both practical and pleasant to use Highly compatible: this gramophone needle for cartridge players works with many cartridge player models compatible with CR24003A, CR2402C, CR2413A, CR245, CR246, CR249, CR6001A, CR6004A and TCR624TUS players for multiple records, TCR6004A and TCR624TUS1. Such as Capehart, ION etc. Specifications: Color: Black + Red Material: Plastic + Aluminum Size: Approximately 3.5 x 1 cm Package content: 4 * Replacement Note: The mentioned model numbers above are only for demonstration purposes and do not function as . Only the above package content is included; other products are not included. Note: Light reflection and different displays may cause slight color differences between the item in the image and the actual product. The allowable measurement error is +/- 1-3 cm.