You get what you paid for. Much better value ratio compared with the Japs.

nib part of screw in unit. This is standard now in most pens from China, even the $3 Jinhao joke pen.

R u sure u turning in the correct direction? Nid facing down, turning wrench clockwise.

Clockwise, yes, I tried and, as I said, I bent the Asvine wrench tips. I noticed that my copy has the piston threads maybe too much deep inside the thick acrylic. Anyway the piston mechanism works smoothly and, if stuck in the future, I can grease the interior of the barrel with a long toothpick from the side of the section.

@@MateuMatheu there is glue on the threads. Anyway, good enough for now.

Yes, cheasy orange.