Cangshan Y2 Series 59212 6-Piece German Steel Forged Knife Block Set Unique Patent Pending Design knives that focuses on ergonomics handle Patent pending cutting edge designed solid Acacia wood block works with the knives tastefully X50Cr15MoV German Steel with HRC 58 +/- 2 on the Rockwell Hardness Scale 6-piece knife set includes 8-inch chef's, 7-inch Santoku, 8-inch bread, 5-inch serrated utility, 3.5-inch paring and block National Sanitation Foundation(NSF) Approved