This Ziegler Knife Needle, size 0, has a 3mm blade for precision ophthalmic cutting. It creates delicate iris and corneal incisions while executing surgery procedures, such as cataract surgery. It is sharpened on one side to guarantee smooth dissection, while the square shape of its handle ensures a secure grip. The premium German stainless steel used to create this knife needle is very light in weight and can be used repeatedly for the most extended possible period.