Can I Screw One on to the Othern?

I've forgotten a lot about this product. I'm is capped because s not ais going to dry out, yes, but it also protects the tip. Like this was the best rit was the best designed non standard. Bu, it's very nice. So i've got the one that's like twisty. Yep. They have all the names, but it's complicated. So i just the centre is twisty. Ye. So i guess i can just put these on somehow. Oh, these caps? Wait, yes. So youall unscrew it. Is a capped pin, right? So the the nibs do have caps over em,. So you'll unscrew