I wanted spare keys. I searched and didn't find anywhere which blanks to use so I worked with local hardware stores and came up with blanks that work for dolphin and shark packs. On the left are dolphins that used a Honda blank, in this case Hyko HD75 and the on the right is for a shark and we used a Toyota blank, in this case a Cole T020.
Either one would probably work in both. The first guys gave up after fitting the dolphin - they got hung up on the extra slot that runs up the key face but the second guys figured out it didn't matter...

Either one would probably work in both. The first guys gave up after fitting the dolphin - they got hung up on the extra slot that runs up the key face but the second guys figured out it didn't matter...

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