This is a honeycomb holder bigger pliers. 

It is designed for this Knipex tool, but other plier could work too.

https://www.amazon.de/gp/product/B000ZEACIQ/ref=ppx_yo_dt_b_search_asin_image?ie=UTF8&psc=1

Print Option:

PLA

20% Infill

If you have any questions, feel free to ask.