Oetiker Stepless
Oetiker 16700001 Stepless Ear Clamp, One Ear 5mm ,5.8mm(Closed)-7mm(Open)-50 pk
A nice touch on the GPP7460 is the color-coded buttons that make operation intuitive.
Oetiker Stepless Single Ear Hose Clamps W/O Pincers, 1/4"- 5/8" 50 Pack
You will find that the rubber edges are rounded for comfort and safety.