A few millimeters for the dark tip of Hero Pen 616 is good: .7mm and 1.mm are both good, and the specific choice should be made according to personal preferences and writing needs.

for hero pen 616, there are generally three options for the thickness of the dark tip: .5mm, .7mm and 1.mm .. Among them, .7mm and 1.mm are common specifications. For those who write carefully, .7mm may be more suitable, while those who write hard may prefer a dark tip of 1. mm. In addition, the choice of the thickness of the dark tip of the pen should also take into account the writing needs, such as signature, shorthand, painting and so on.

Of course, Hero Pen 616 itself is a pen with high cost performance. No matter which dark tip is chosen, it can provide a more comfortable writing experience. When purchasing, you can choose according to your own preferences and needs.

if you have special needs, such as writing in small fonts or writing with special needs, you can consider buying pens of other brands, and consult professionals or try several kinds of dark tips when choosing dark tips to find the one that suits you best.

In a word, the dark tip of Hero Pen 616 is a few mm, which should be selected according to personal preference and writing needs.