Goldring E-4 stylus is designed to fit the Goldring E4 phono cartridge, a direct replacement when your stylus is worn - saving the cost of buying a whole new cartridge. Goldring cartridges generally last many hours until the stylus needs replacing. An indication of wear is a "duller" sound.
A nude super-elliptical, 7.6 x 18 Microns (0.3 x 0.7 Millimetre) stylus cut and polished from a single homogeneous piece of diamond for the Goldring E4 cartridge.