Lang Lachrymal Dilator Richardson The sizes listed refer to

The sizes listed refer to the diameter of the bougie

A Cottle Bone Osteotome is a surgical instrument used to cut bone during orthopedic and reconstructive surgery

such as taking biopsies

The total length of the tool is 254mm (10 inches)

8mm (7 inches) long

Lang Lachrymal Dilator Richardson The sizes listed refer toA Lang Lachrymal Dilator is a surgical instrument used to widen and enlarge the opening of the lacrimal canaliculus, or tear duct. It is used in a procedure called dacryocystorhinostomy, which is a surgical procedure to create a new passage between the lacrimal sac and the nasal cavity to allow tears to drain normally.