Item purchased will look different than item pictured due to variations in materials.
In addition to having your knife performance tuned before it ships, you will received a coupon for complimentary re-sharpening of your knife (a $12-$50 value). That is the District Cutlery difference.
Blaves are Molybdenum Vanadium stainless steel.
The handles are blue elastomer.
Kitchen knives are used to cut the ingredients in your food. Japanese kitchen knives are famous for their sharpness and edge retention. Japanese chef knives are brittle and are designed for cutting soft tissue foods. High Carbon steel chef knives can rust if not kept dry.