Advantages of this tool over the other existing ones:

The transparent tube helps you to know how much paste is left
Paste does not adhere to the wall of the tube when you use it
Since it is a bigger tool, it holds more paste and you don’t need to keep adding paste
You can wash it in the dishwasher
Sturdy stainless steel construction, unlike others that are made of aluminium, provides long life and is rugged
Is safe for long life usage, does not corrode. Does not oxidise like aluminium