Killian Nasal Speculum

This instrument appears to be a Killian Nasal Speculum, a type of tool used in ear, nose, and throat (ENT) procedures.
It is designed to retract the nasal tissue, allowing for better visualization of the nasal cavity during examinations or surgeries.
These instruments are typically crafted from stainless steel for durability and can be sterilized for reuse.
They often feature a screw mechanism for locking the blades in an open position and come in various blade lengths to accommodate different patient needs.