Lieberman Aspirating Adult K-Wire Speculum With Adjustable Mechanism, Kratz-Style Open Wire Blades Angled Downward Towards Towards The Temple, 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)