To remove the old needle, hold the capsule in one hand, hold the plastic body of the needle with your thumb and index finger, and release it from the capsule Needle assembly loosens when slightly tilted as indicated by arrow To install the replacement stylus, insert the new needle assembly into the capsule at a slightly inclined angle, so that the hook at the end of the needle enters the capsule body fitting The needle assembly should enter position with one click when fully seated in the capsule. Needle must be fully seated on the body to function properly Height: 10.5cm