What is this tool for ?

[geeman237]

This tool came in a tool cart that I got free. Anyone know what the tool is for? I thought possibly an Oetiker hose clamp crimper?
I’m in the U.S. if it makes any difference.

[LunarOne]

It's an Ear-Type CV Boot Clamp Plier also sometimes used for fuel lines and cooling systems.

The distinctive feature you see in the centre of the jaws is actually a forming plate. Its job is to press down on the top of the "ear" (the raised loop) of a metal clamp while the jaws squeeze the sides. This ensures the clamp is crimped into the correct square shape without the metal buckling or twisting.

[scot_aln]

A Google image search shows it as CV joint boot pliers.

https://www.amazon.co.uk/Pliers-Crimper-Automotive...

[geeman237]

Brilliant, thx.