What is the witchcraft of this pen?!

So the first 2 pens are my fountain pens (medium and fine nib) but then I started writing with my techo pen and how is this so good?! So smooth such a fine nib and requires barely any pressure to write well!! How is this free too?!

So the first 2 pens are my fountain pens (medium and fine nib) but then I started writing with my techo pen and how is this so good?! So smooth such a fine nib and requires barely any pressure to write well!! How is this free too?!