there are 2 editions the BKN stands for Brass knurled nut (M2 needed + M2 bolt)
and the TIP thread in plastic (only 1 M2 bolt is needed)
and a oring, and a optional cord so you won't lose your feed plug
Supports:
Yes
Category: Sport & OutdoorsThe author marked this model as their own original creation. Imported from Thingiverse.