The Kai Wasabi Deba has a Japanese shape of the blade, which is especially appropriate for treating fish. The blade of the Kai Wasabi Deba is single-edged.
The front part of the blade of the Kai Wasabi Deba is predominantely used for filetting fishes. The back of the blade is stronger and is amongst others used to split bones and fishbones. The Kai Wasabi Deba is a very solid knife.