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.
Yu Kurosaki is a phenomenal young blacksmith, and the Senko line shows off his talent.
Blade: Cold-forged R2 (SG2) steel hammer finish
Handle: Octagonal oak and purpleheart.
Japanese chef knives are brittle and are designed for cutting soft tissue foods. High Carbon steel chef knives can rust if not kept dry.