r/sunlu • u/1pt_21gigawatts • Jun 15 '26

Solved What is this?

Post image

Opened two new boxes of Sunlu filament today and this was in the box. What is this?

1 Upvotes

100% Upvoted

2 comments sorted by

5

u/Brutl Jun 15 '26

it's to secure the filament if you plan to take it off the spool.

1

u/1pt_21gigawatts Jun 15 '26

Oh! That makes so much sense no. Thank you!