AKA Chinese cleaver or vegetable cleaver. Classifications by thickness: * Thickness 2mm, steep angle - Chopping vegetables, slicing carrots paper thin, remove skin from fish. * Thickness 3-7mm - Versatile. Smash garlic. * Thickness 8mm, shallow angle - Cutting through bones, wedging, breaking up food. Length should be at least 7 inches. Hardness 60 or 61. Full tang. Tang is joining of blade and handle.