
I have the Chao version of Copics and was confused by conflicting information here and also on the Copics website. So I entered 5.91 to see for myself if they would match the wide/pointy end of the CIAO. Yes, they do! It was easy to take out the chisel tip and put in a medium broad tip. I tested it to make sure the ink didn't drip. Everything went well! Still, I can only give this product 4 stars because marker prices are already sky high and I don't understand why they still have to make a small fortune to sell these extra nibs. They should come with free markers. There is a huge market that doesn't even use a bit of tipping. YOU ARE SUITABLE FOR CAIO!

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