Sparx case insert to hold 5 rings and the honer and the strop. Great thin design that fits inside the front zipper pocket of the carrying case. 

Update: Here is a link to the case I used to put the insert into.

[https://makerworld.com/en/models/914422-rugged-multipart-pinecil-ts100-ts80-case-v2?from=search#profileId-1239068](https://makerworld.com/en/models/914422-rugged-multipart-pinecil-ts100-ts80-case-v2?from=search#profileId-1239068)