Here's everything you need to make your own 3" diameter and larger custom-length worm-drive clamps.

Keep this banding on hand for both permanent connections and emergency repairs. You'll need an installation tool and a buckle (both sold separately) to create a band clamp.

Create 4" diameter and larger worm-drive clamps that withstand high-temperature applications.

The hose clamps in these assortments have a bolt closure that creates a 360° leak-preventing seal. The clamps have rolled edges, so they won’t cut into hose and tube.