Lieberman Aspirating Child V-Wire Speculum With Adjustable Mechanism, Kratz-Style Open Wire Blades Angled Downward Towards The Temple, Blade Length Of 11mm, Spread Of 31mm, Overall Length Of Speculum Is 2 1/4"" (57mm), Includes Silicone Tubing And Cannula (Length Of 1 7/8" 38mm)