Easy to install: just fix record players with this needle which is easy to install and replace, no need of extra tools, wear-resisting Output voltage: when the frequency is 1 KHZ, and the sound tank vibration velocity V in the L or R direction is 3.54 cm/ s or the lateral sound tank vibration velocity is 5 cm/ s, the output voltage is within the specified value (250 mv +/ -4DB)/ (200-300mv) Comprehensive packaging protection: the stylus is ruby, and cartridge are made of plastic, which is durable; Using hard plastic packaging, which can protect the cartridge and stylus well and ensure the quality,suitable suitable for more record players, such as Boytone, Capehart,Crosley, ION, etc Vibrant color matching: our record player needle is designed in red and black color, which looks classic and solemn, but also has a sense of trend, which is both practical and pleasant to use Widely compatible: This phonograph turntable needle can work with many turntable models like compatible with CR24003A, CR2402C, CR2413A, CR245, CR246, CR249, CR6001A, CR6004A and CR6249A LON LCT04RS ION TTUSB TTUSB10.Suitable suitable for more record players, such as Boytone, Capehart,Crosley, ION, etc. Specification: Colour: black + red Material: plastic + aluminum Size: About 3.5 x 1cm Package Contents: 4 * Cartridge Replacement Note: The mentioned of related model designation above is only suitable for purposes of demonstrating compatibility, not work as brands. Only the above package content, other products are not included. Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.