Lieberman Aspirating Adult Nasal Speculum With Adjustable Mechanism And Kratz-Style Open Wire Round Blades Angled Upward For The Bridge Of The Nose, Blade Length Of 15mm, Spread Of 31mm, Overall Length Of Speculum Is 3" (76mm), Includes Silicone Tubing And Cannula (Length Of 1 7/8" (38mm)