Sharp Needles mean Less Pain
The sharper the needle (generally), the less pain will be felt by the customer, since a sharper needle will go through the tissue with less resistance and tearing.
sterile piercing needles
Internally-Threaded Piercing Needles
“Internally-threaded needles feature threads at the rear of the needle that enable the piercing jewelry to attach to the needle itself, creating a smooth, continuous piercing surface.”