How many millimeters does the indwelling needle pierce the ear?

The ear hole punched by the indwelling needle is between 1.2mm-2.0mm, and the specific size depends on the indwelling needle used and personal needs. The diameter of the common indwelling needle is1.6 mm. Compared with the traditional ear nail or ear gun puncture tool, the needle head of the indwelling needle is thicker, because the indwelling needle adopts the puncture way when piercing the ear. The larger diameter indwelling needle can accommodate the handle of earrings or earrings, so that it can be easily inserted through the punched ear hole. Therefore, the ear hole punched by the indwelling needle is between 1.2 mm and 2.0 mm The indwelling needle ear hole is a special ear hole technology, and an instrument called the indwelling needle is used to puncture the ear hole. Different from the traditional ear nail or ear gun puncture method, the indwelling needle forms the ear hole through a series of puncture and pushing steps.