Large Koi Nobori Mouth Fittings - Set of 8 - Large Size - Fittings Only - Free Shipping - For 3m and above

This is a metal fitting used to attach Koinobori (carp streamers) to a hoisting rope.
This is a set of 4 pairs, totaling 8 pieces, all brand new.
Shipping is free only when using Mercari delivery service.
No returns, exchanges, or cancellations will be accepted.

Please judge the size and contents from the images.
I cannot determine if it can be attached.

This fitting is included with Koinobori sets for 3m, 4m, 5m, and larger sizes.
It is used one per carp streamer, or two per carp streamer.
Each bag contains 2 pieces.
Sold individually is not possible.
It is unlikely to be compatible with thinner ropes for Koinobori of 2m or less.

I will ship as quickly as possible, but please refrain from purchasing if you are in a hurry.
Please refrain from purchasing if you do not understand Japanese or the meaning of purchasing on flea market apps.

I will respond with sincerity, so thank you for your understanding.