Stainless Steel Worm Style Hose Clamp which fits a variety of Silicone and Braided Reinforced Silicone Hosing such as:

10mm ID x 15mm OD – Heavy Duty Silicone Tube

12.5mm ID x 18.5mm OD – Heavy Duty Silicone Tube 

12mm ID x 20mm OD Braided Reinforced Silicone Hose

This hose clamp features a butterfly/key type adjustment tab which makes it easier to grip onto and tighten/loosen the clamp without the need for any tools.