Worm Drive Clamps for 3/8 or 1/2 Inch ID Tubing - Kegco
JEGS 15974: Stainless Steel Hose Clamps 3/8 in. to 1/2 in. OD - JEGS
6534 3/8″ x 3/8″ Separator Line Clamps – 3 Pack – Kugel Komponents
The Plumber's Choice 3/8 in. Hinged Split Ring Pipe Hanger, Malleable Iron Clamp with 3/8 in. Rod Fitting, for Suspending Tubing (10-Pack) 38HSHB-10 - The Home Depot
Everbilt 3/8 - 7/8 in. Stainless Steel Hose Clamp 6760595 - The Home Depot