Oetiker 16700079 Stainless Steel Hose Clamp, One Ear, 7 mm Band Width, 76.8 mm - 80 mm Hose OD Range (Pack of 100) Clamp ear is dimpled for increased clamp force Visible deformation of ear for evidence of proper closure Mechanical interlock for secure closure and better corrosion resistance than a spot-weld Stainless steel for resisting scaling and corrosion