I don't see it available on Amazon

thanks for the reply, but the bore in the klipsch ovals are too narrow for my other IEMs. That is why they are not a good match 

Hi I am going from a Klipsch X10i to the FX850's and the Zero Audio  Carbo Tenore however I am having a fitting problem with the ear tips. It seems the large ovals from Klipsch were perfect for me but the large ones from the others are a bit too big and are uncomfortable to wear. The medium tips...