Oetiker 10500010 Zinc-Plated Steel Hose Clamp with Mechanical Interlock, One Ear, 7 mm Band Width, Clamp ID Range 15.7 mm (Closed) - 18.5 mm (Open) (Pack of 5): Amazon.com: Industrial & Scientific
OETIKER INC. 2-Ear Pinch Clamp 10100024 Hydraulic Supply Co.