The custom laser engraved Stampede Stills 2" copper Ferrules/Collars are easy to use and fit over the end of a 2" copper pipe to add a tri-clamp fitting to an item.
The custom laser engraved Stampede Stills 3" copper Ferrules/Collars are easy to use and fit over the end of a 3" copper pipe to add a tri-clamp fitting to an item.
The custom laser engraved Stampede Stills 4" copper Ferrules/Collars are easy to use and fit over the end of a 4" copper pipe to add a tri-clamp fitting to an item.