For volume or isolation.
Curved and strong tipped tweezers, and ridges for an extra firm grip. These tweezer have a firm closing to ensure that all lashes are grabbed when creating a volume technique.
Surgical tools and medical equipment are usually made of stainless steel, because of its durability and ability to be sterilized in an autoclave, and its ability NOT to corrode.
A lashers tweezer should be of the same.
A very comfortable and easy gliding tweezer