This extra large cleaver is a traditional Japanese-style deba cleaver.  It has a stout blade with a single-bevel edge.

This particular size is used for butchering halibut, tuna or other very large fish.  5.0mm thick blade.

 

Knife Specs:

Knife Length: 320mm
Weight: 405g
Blade Length: 185mm
Blade Height: 55mm
Blade Thickness: 5mm